Spray For Life Urinary Formula Probiotics (50 Billion) - Veg Capsules Review

I couldn't find a product called "Spray For Life Urinary Formula Probiotics (50 Billion) – Veg Capsules" on any retailer or review page. I ran several searches. Every result was a different product, mainly Garden of Life Dr. Formulated Probiotics Urinary Tract+ (50 billion CFU, 60 vegetarian capsules). Nothing I found linked that product to "Spray For Life," so I won't treat it as the same product. If I wrote the two sections anyway, I'd be inventing details about ingredients, strains, and customer feedback. I would also be attributing another brand's reviews to this one. That would be unreliable for any listing or decision. The only review evidence I found is for the Garden of Life product, and it isn't about your product. Reviewers there mention fewer bladder-infection concerns, easy-to-swallow vegetarian capsules, and better digestive comfort and confidence. It has a 4.7 rating on iHerb from 97 ratings. Here is what would let me finish: - **A direct URL or the exact label** (strains, CFU per capsule, other ingredients, and the brand's spelling). The name might be a reseller's relabel, a misspelling, or a regional product. - **Your go-ahead to use the Garden of Life Urinary Tract+ product** as a stand-in. I'd label both sections clearly as being about that product. Once I have one of those, I'll write the 300–500 word description and the 300–500 word customer-feedback summary in the exact delimiter format you specified.

Product Focus: Kidney HealthAlso covers:DigestionImmune systemRanked among:Probiotics
Tier ⓘ
Tier 4 · Rank 3
Tier 4 · Emerging. A promising mechanism or animal data, with thin human evidence so far. Rank 3 within Tier 4 for Kidney Health; 5 of 5 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
33 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
– no stars shown, 26,905 reviews
Biohacker Mentions
9 of 10

Study, Trial or Testing Result Summary

Members Only118 human studies · 40 improved
118 human studies40 improved53 no effect161,510 people studied

The probiotics are the main ingredients here, and the estimated amounts match those used in studies, though the exact strains sit in proprietary blends. In people with chronic kidney disease, six months of Lactobacillus plantarum raised kidney filtration while it fell on placebo [1]. A 12-week probiotic and fiber mix also improved filtration and lowered inflammation [2], and a probiotic capsule helped preserve remaining kidney function in dialysis patients [3]. Results are not consistent: pooled trials in diabetic kidney disease found no gain in kidney function [4], and another pooled analysis found little effect on gut-made toxins [5]. Cranberry lowered the risk of urinary infections by about 30% [6], but it did not reduce kidney scarring in children [7]. In kidney disease, 1000 mg of extract, twice this product's amount, did not change inflammation or toxins [8][9]. Vitamin D did not clearly improve kidney outcomes [10], and calcium plus vitamin D raised kidney stone risk [11]. The prebiotic fiber dose is unclear. The one supporting trial used a specific resistant starch in kidney failure [12]. Animal and cell studies are never counted.

See all 118 studies →Hide the studies

Review Totals and Summary

Members Only26,905 reviews
26,905 reviews · Iherb 26,582 · Vitacost 152 · Renewlife 98 · Gardenoflife 35 · Vitaminshoppe 33 · Frysfood 4 · Lifesourcevitamins 1

Buyers are broadly positive about these capsules. They describe them as a trusted brand that seems to help, though the reviews are short and offer few specifics. **What buyers say it did for them:** Several people feel it helps, and some are reordering. One buyer said it was "especially helpful after taking meds from a UTI," and another mentioned using it for IBS. Others describe general benefits, such as supporting overall health and urinary tract health. One reviewer wrote "This has really helped" and was ordering a second bottle. Another said it "seems to help" when taken daily. None of the reviews gives detail on how long it took to notice a difference or how large the effect was. **What they complain about:** Nothing. No review criticizes the product, and none reports side effects, a lack of effect, or problems with the order. The reviews are brief, so the absence of complaints says little about the less common experiences. **Taste, smell, pill size or form:** Only the form comes up. One reviewer points out that it is a vegetarian capsule, which matters to people avoiding animal-derived capsules. Nobody comments on taste, smell, or how easy the capsules are to swallow. Reviews of other forms of this product, such as gummies or powder, were left out, and this summary covers the capsules only. **Value for money:** No one discusses price or whether the bottle lasts long enough to be worth it. The nearest signal is that two buyers have bought it again or plan to, which suggests they were satisfied enough to keep paying for it. One reviewer also liked the potency, calling it "an impressive 50 Billion CFU." **Who it seems to suit and who it did not:** The reviews suggest it suits adults who want a daily probiotic with a urinary focus, and one reviewer called it "Great for women!" It also appeals to people who already trust the brand and want to add it back into a supplement routine. Others use it for digestive concerns like IBS or after meds. No one reports that it did not suit them, so there is no evidence here about who should avoid it. **Bottom line:** The feedback is positive but thin. Repeat purchases and brand trust stand out, while comments on taste, size, price and downsides are missing. A buyer wanting those details will not find them in these reviews.

Biohacker Summary

Members Only9 of 10 recommend it
9 of 10 biohackers on our panel recommend it

Seven of the ten panelists spoke about cranberry, the main ingredient, and the group leans positive: four recommend it and three are neutral. The most common reason is urinary health, with one panelist citing 36 milligrams of soluble proanthocyanidins for preventing recurrent urinary infections, another calling the extract good for those infections, and another naming the juice as a remedy. Others point to gut benefits, with two saying cranberry raises a gut lining species called Akkermansia, and one panelist simply suggests trying it in place of meds. One panelist noted cranberry oil has only a low sun protection value, so it is not enough as a sunscreen on its own. No one gave a preferred form beyond extract, juice or oil, no one mentioned pairing it with other supplements, and no one said they stopped taking it. Vitamin D is a smaller ingredient in this product, and all ten panelists spoke about it, with most recommending it or taking it themselves, often as 5,000 IU of D3 in the morning with fat for better absorption.

See all 10 biohackers →Hide the biohackers
  • Thomas DeLauer · Cranberry · recommends
    • 20 Aug 2026 · recommends · Instagram ↗
      Recommends cranberry for kidney health, explaining that proanthocyanidins block bacterial adhesion.
    • 23 Oct 2026 · Vitamin D · uses · YouTube ↗
      Uses vitamin D3 in the fall and winter months when getting less sun, as it's important to supplement it then.
    • 20 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends taking a massive amount of vitamin D simultaneously with an early morning massive breakfast to help reset circadian rhythms and address hyperphagia.
    • 8 Oct 2026 · Vitamin D · recommends · Facebook ↗
      Recommends Vitamin D, stating that it has receptors throughout the brain and deficiency can quickly impact brain and mood.
    • 6 Oct 2026 · Vitamin D · uses · YouTube ↗
      Takes supplemental vitamin D because he is skin sensitive and from northern latitudes, limiting his UV exposure.
    • 5 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends taking vitamin D on non-liver days to ensure both nutrients get proper receptor access.
    • 29 Sep 2026 · Vitamin D · uses · YouTube ↗
      Takes Purity's liquid vitamin D3 with K2 because she is constantly inside during the day; D3 is for overall wellness and K2 helps the body absorb calcium properly.
    • 11 Sep 2026 · Vitamin D · recommends · YouTube ↗
      Recommends getting vitamin D, suggesting it can be obtained while walking.
    • 6 Sep 2026 · Vitamin D · recommends · Instagram ↗
      States that vitamin D is best obtained from the sun, but getting it from food definitely helps, and notes its role as a hormone influencing many cells.
    • 1 Sep 2026 · Vitamin D · recommends · Instagram ↗
      Recommends D3, suggesting a dose of 2000-4000 IU, and notes that MK-7 slowed bone loss over three years.
    • 24 Aug 2026 · Vitamin D · recommends · YouTube ↗
      Recommends vitamin D, especially for Hashimoto's, explaining that it drives T reg expansion to suppress autoimmune responses that attack the thyroid, and notes that vitamin D and selenium deficiencies often co-occur.
    • 13 Apr 2026 · recommends · YouTube ↗
      Recommends cranberry capsules, citing an RCT where a cranberry group had greater reductions in fatty liver, lower insulin, and improved insulin resistance, attributed to terostilbene activating fat burning and reducing triglyceride accumulation.
    • 5 Jul 2025 · recommends · YouTube ↗
      Recommends cranberry extract, referencing a study where 144 milligrams of cranberry extract for 6 months reduced insulin levels and insulin resistance, leading to less fat deposition in the liver.
    • 16 Jun 2021 · Bifidobacterium · neutral · YouTube ↗
      Discusses Bifidobacterium, noting that more of this bacteria seems to be correlated with less visceral fat and that a specific strain was shown to significantly reduce visceral fat in a study.
  • Dr. Mark Hyman · Cranberry · neutral
    • 29 Apr 2026 · neutral · YouTube ↗
      Mentions that cranberry has super beneficial effects on Akkermansia muciniphila, a keystone species that protects the gut lining, prevents leaky gut, reduces inflammation, and helps metabolic health.
    • 26 Oct 2026 · Vitamin D · recommends · Facebook ↗
      Recommends Vitamin D for health, stating that amazing things happen when patients' vitamin D statuses reach optimal levels.
    • 21 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Mentions vitamin D as an existing biomarker that plays a role in mental health, which Function Health includes in their measurements.
    • 19 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Notes that vitamin D plays a role in immune function.
    • 8 Oct 2026 · Vitamin D · recommends · Instagram ↗
      Recommends checking vitamin D levels and states that if they had to pick one single intervention for immune health, vitamin D would be it.
    • 7 Oct 2026 · Vitamin D · neutral · Podcast ↗
      Dr. Hyman discusses vitamin D in relation to sun exposure patterns.
    • 7 Oct 2026 · Vitamin D · recommends · YouTube ↗
      States that vitamin D supplementation can help with oxidative stress.
    • 5 Oct 2026 · Vitamin D · neutral · Podcast ↗
      Mentions vitamin D as a key nutrient for supporting immune function.
    • 5 Oct 2026 · Vitamin D · recommends · YouTube ↗
      States that vitamin D is probably the single most important intervention for immune health, recommending levels of 45 to 70 and emphasizing testing to determine the right dose.
    • 30 Sep 2026 · Vitamin D · neutral · YouTube ↗
      Notes that rickets, which causes terrible bone deformities, is caused by vitamin D deficiency.
    • 21 Sep 2026 · Vitamin D · neutral · YouTube ↗
      Notes that vitamin D is an important nutrient for brain performance and aging, and that many people have gaps in these nutrients.
    • 31 Aug 2026 · Bifidobacterium · neutral · YouTube ↗
      Notes that Bifidobacterium is important in regulating dopamine, which can be problematic in kids with ADHD.
    • 11 Jun 2025 · uses · YouTube ↗
      Was given cranberry as part of a program to rehab his gut and rebuild bacteria.
    • 26 Feb 2025 · uses · YouTube ↗
      States he took cranberry in high doses every day in concentrates to regrow his Akkermansia when he had colitis.
  • Siim Land · Cranberry · neutral
    • 28 Dec 2025 · neutral · YouTube ↗
      Mentions cranberry oil as a natural agent with a low SPF of 5-8, which can be used as a complementary ingredient in sunscreens but is insufficient as a primary sunscreen.
    • 31 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Advises against taking vitamin D in the morning with other supplements because it is fat soluble and requires dietary fat for better absorption.
    • 29 Oct 2026 · Vitamin D · recommends · Instagram ↗
      Recommends taking Vitamin D with fat for better absorption.
    • 24 Oct 2026 · Vitamin D · neutral · Instagram ↗
      States that Vitamin D connects biology to light and that UVB reaching the skin enables its production.
    • 6 Sep 2026 · Vitamin D · recommends · Instagram ↗
      Thinks vitamin D has some of the strongest evidence and is worth considering.
    • 6 Sep 2026 · Vitamin D · neutral · X ↗
      Notes that Vitamin K2 pairs well with vitamin D by regulating calcium and bone mineralization.
    • 26 Aug 2026 · Vitamin D · recommends · Instagram ↗
      Recommends taking vitamin D supplements with some fat to maximize its absorption, suggesting with food or a teaspoon of olive oil.
    • 23 Aug 2026 · Vitamin D · neutral · X ↗
      Notes that taking vitamin D3 with a fat-containing meal resulted in 32% higher peak blood vitamin D levels.
    • 17 Aug 2026 · Vitamin D · recommends · X ↗
      Recommends taking Vitamin D in the morning or at lunch with fat.
    • 14 Aug 2026 · Vitamin D · neutral · X ↗
      Notes that Boron improves vitamin D.
    • 5 Aug 2026 · Vitamin D · recommends · YouTube ↗
      Recommends Vitamin D because microglia contain Vitamin D receptors, and Vitamin D helps keep the immune system properly regulated, with low levels associated with greater neuroinflammation and a higher risk of autoimmune conditions.
  • Dave Asprey · Cranberry · neutral
    • 29 Nov 2024 · neutral · YouTube ↗
      Notes that cranberry extract is good for UTIs and guesses it probably has other beneficial effects, though there is less research on its direct link to the vaginal microbiome.
    • 1 Nov 2026 · Vitamin D · uses · Facebook ↗
      Takes Vitamin DAKE from Suppgrade Labs.
    • 25 Oct 2026 · Vitamin D · recommends · Podcast ↗
      Suggests that vitamin D supports brain health, muscle function, and focus.
    • 9 Oct 2026 · Vitamin D · recommends · Podcast ↗
      Host Dave Asprey explains why correcting a vitamin D deficiency still makes sense for male fertility, even though supplementation did not improve overall semen parameters in a randomized trial.
    • 7 Oct 2026 · Vitamin D · uses · YouTube ↗
      States that currently, he is only taking vitamin C and vitamin D.
    • 5 Sep 2026 · Vitamin D · recommends · YouTube ↗
      Recommends vitamin D, noting it's actually a hormone and that most people are deficient, even those who take it, because they don't take enough.
    • 3 Sep 2026 · Vitamin D · recommends · YouTube ↗
      States that most people on the spectrum are low in vitamin D and need more of it, mentioning his own product, Vitam DAKNE, which contains real vitamin A.
    • 29 Aug 2026 · Vitamin D · recommends · YouTube ↗
      Dave Asprey recommends Vitamin D3 with K2, explaining D3 is a hormone made from sunlight and K2 directs calcium into bones, not arteries, highlighting its low cost, widespread deficiency, and the ability to test its effectiveness.
    • 18 Aug 2026 · Vitamin D · recommends · YouTube ↗
      Recommends Vitamin D as one of the most important supplements for overall health.
    • 12 Aug 2026 · Vitamin D · uses · Facebook ↗
      Takes Vitamin DAKE from Suppgrade Labs because D3, A, K2, and E work together.
    • 28 Jul 2026 · Vitamin D · uses · YouTube ↗
      Mentions taking vitamin D in the morning, comparing it to the daily dosing of testosterone.
    • 5 Mar 2026 · Lactobacillus · recommends · Podcast ↗
      Dave Asprey recommends lactobacillus, noting that studies show it reduced microplastics in the blood by 82 percent.
    • 5 Mar 2026 · Lactobacillus · recommends · YouTube ↗
      Notes that lactobacillus, found in yogurt and L. reuteri in kimchi, has been shown to decrease microplastics in blood by 82%, likely by helping to break them down and aiding the body in their removal.
    • 17 Nov 2022 · Lactobacillus · neutral · YouTube ↗
      Notes that some women with high levels of lactobacillus can be exposed to HSV, HPV, and HIV without becoming infected, but still doesn't recommend it as a weapon against STDs.
  • Ben Greenfield · Cranberry · recommends
    • 13 Jun 2024 · recommends · YouTube ↗
      Ben's test recommends taking cranberry to increase akkermansia.
    • 29 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Notes that Vitamin D is actually a hormone and recommends patients aim for levels around 40 to 50, or even 60 for fracture healing, for optimal healing, as opposed to just above 20 which is considered normal.
    • 15 Oct 2026 · Vitamin D · recommends · Podcast ↗
      Mentions vitamin D as part of a bare-minimum protocol.
    • 15 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Advises getting vitamin D levels between 60 and 100 nanograms per milliliter as a minimum step for overall health and to slow down heart disease.
    • 20 Aug 2026 · Vitamin D · uses · YouTube ↗
      Has been taking Vitamin D3 K2 for over a decade.
    • 8 Aug 2026 · Vitamin D · neutral · Instagram ↗
      Notes that sunlight influences more than just vitamin D production.
    • 8 Aug 2026 · Vitamin D · recommends · YouTube ↗
      Recommends keeping vitamin D levels high, suggesting that a supplement is probably not a bad idea, especially given that many people are deficient due to spending most of their time indoors.
    • 18 Jul 2026 · Vitamin D · recommends · YouTube ↗
      Recommends getting enough vitamin D for blood pressure management.
    • 9 Jul 2026 · Vitamin D · recommends · YouTube ↗
      Recommends optimizing vitamin D levels to a serum score of around 50 to 80 nanograms per milliliter, as deficiency is linked to tinnitus volume and can assist with it.
    • 7 Jun 2026 · Vitamin D · recommends · Facebook ↗
      Recommends using hormone building blocks like vitamin D for hormone optimization.
    • 6 May 2026 · Vitamin D · neutral · X ↗
      Notes that vitamin D deficiency is the most common deficiency.
    • 16 Aug 2025 · Bifidobacterium · neutral · YouTube ↗
      Notes that during a wild food diet, bacteria associated with dairy-heavy diets, like Bifidobacterium, dropped significantly.
    • 13 Jun 2024 · Bifidobacterium · neutral · YouTube ↗
      Ben Greenfield's guest notes that Ben Greenfield's Bifidobacterium levels are low, which is common in most people who take the test.
    • 12 Dec 2019 · recommends · YouTube ↗
      Recommends cranberry juice as it contains natural chemicals that prompt the secretion of mucus, supporting the growth of Akkermansia muciniphila.
  • Peter Attia · Cranberry · neutral
    • 18 Dec 2023 · neutral · YouTube ↗
      Mentions cranberry juice as a recommended remedy for UTIs, illustrating the connection between food consumption and the vaginal microbiome.
    • 4 Jan 2026 · Vitamin D · uses · YouTube ↗
      Lists vitamin D as one of her staple supplements.
    • 16 Nov 2025 · Vitamin D · neutral · YouTube ↗
      Notes that several studies show patients taking vitamin D can reduce TPO levels and prolong the honeymoon period of Hashimoto's disease.
    • 6 Aug 2025 · Vitamin D · neutral · YouTube ↗
      States that in mouse studies, there was a combined effect of alpha ketoglutarate with vitamin D for both sexes.
    • 3 Aug 2025 · Vitamin D · neutral · YouTube ↗
      Uses vitamin D as an example of how people might dismiss its efficacy due to failed clinical trials that didn't adjust the dose or measure levels.
    • 20 Jul 2025 · Vitamin D · neutral · YouTube ↗
      In mouse studies, Peter Attia's team found a combined effect of AKG with Vitamin D for both sexes.
    • 10 Jul 2025 · Vitamin D · neutral · YouTube ↗
      Suggests that supplementing with lots of vitamin D might help overcome the negative effects of phenytoin on bone health by improving calcium absorption, though he is unaware of studies on this.
    • 9 Jul 2025 · Vitamin D · recommends · YouTube ↗
      Recommends Vitamin D3 as one of the 'big three' micronutrients for bone health, suggesting a daily intake of 800 to 1,000 IU, which can be obtained through sunlight or supplementation.
    • 6 Jul 2025 · Vitamin D · neutral · YouTube ↗
      Suggests that supplementing with lots of vitamin D might overcome the negative effects of phenytoin on bone health by counteracting increased catabolism of vitamin D and subsequent decreased calcium absorption.
    • 8 Jun 2025 · Vitamin D · recommends · YouTube ↗
      Recommends vitamin D for people who tend to be vitamin D deficient, such as those living in Portland, Oregon.
    • 17 Mar 2025 · Vitamin D · neutral · Instagram ↗
      Discusses evaluating vitamin D, understanding deficiency, and optimal levels.
    • 18 Dec 2023 · Lactobacillus · neutral · YouTube ↗
      States that lactobacillus, found in yogurts and probiotics, is most well-documented for its impact on GI symptoms such as gas, bloating, diarrhea, and constipation.
    • 18 Dec 2023 · Bifidobacterium · neutral · YouTube ↗
      States that bifidobacterium, found in yogurts and probiotics, is most well-documented for its impact on GI symptoms such as gas, bloating, diarrhea, and constipation.
  • Dr. Eric Berg · Cranberry · recommends
    • 14 Nov 2023 · recommends · Podcast ↗
      Dr. Berg suggests trying cranberry as a natural a med.
    • 2 Nov 2026 · Vitamin D · warns · Facebook ↗
      Dr. Berg warns that the recommended daily intake for vitamin D is based on a massive error and that the actual necessary amount is closer to 8,895 IU, with millions remaining deficient.
    • 31 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends getting vitamin D levels tested to ensure they are between 50 and 70, as vitamin D is intimately involved in regulating prostate size.
    • 30 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends taking at least 10,000 IUs of vitamin D3 every single day in the winter, stating it is the most important vitamin to lower cancer risk.
    • 30 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends vitamin D to support the immune system, aiming for blood levels between 80 to 100 ng per ml.
    • 25 Oct 2026 · Vitamin D · recommends · YouTube ↗
      Recommends taking no less than 10,000 IU's of vitamin D3 for osteoporosis, alongside magnesium and K2.
    • 25 Oct 2026 · Vitamin D · recommends · X ↗
      Recommends increasing vitamin D to restore balance and support healthy blood pressure.
    • 24 Oct 2026 · Vitamin D · neutral · YouTube ↗
      States that a lack of vitamin D can potentially cause achy bones or crashing mood.
    • 23 Oct 2026 · Vitamin D · recommends · YouTube ↗
      States that vitamin D is intimately involved in the immune system and recommends taking at least 10,000 IUs each day.
    • 21 Oct 2026 · Vitamin D · recommends · YouTube ↗
      States that taking high doses of vitamin D3 for 14 days can improve mood, sleep, low back pain, skin issues, and blood pressure, as well as act as a natural anti-inflammatory and reduce susceptibility to sickness.
    • 18 Oct 2026 · Vitamin D · neutral · YouTube ↗
      Mentions that grass-fed liver has vitamin D.
    • 26 Sep 2022 · warns · YouTube ↗
      States that cranberry juice is not very effective for an existing UTI and contains sugar, making it less ideal.
    • 13 Nov 2021 · Lactobacillus · recommends · YouTube ↗
      Recommends taking Lactobacillus for constipation, and also notes it is good for diarrhea.
    • 23 Aug 2021 · recommends · YouTube ↗
      Recommends cranberry for UTIs, highlighting its anti-adhesive properties that prevent bacteria from accumulating in the bladder and its ability to inhibit biofilms.
  • Andrew Huberman · Cranberry · recommends
    • Date not recorded · recommends · Website ↗
      Andrew Huberman notes that cranberry, specifically 36 milligrams of soluble proanthocyanidins (PACs), is in the American Urological Association guidelines for preventing recurrent UTIs.
    • 21 Sep 2026 · Vitamin D · neutral · YouTube ↗
      Notes that most people are probably deficient in vitamin D and benefit from supplementing, but there's no point in doing it unless you're deficient for most things.
    • 7 Aug 2026 · Vitamin D · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning for longevity.
    • 20 Jul 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 20 Jul 2026 · Vitamin D · recommends · YouTube ↗
      States that Vitamin D is one of the critical nutrients with the best evidence for cognitive function and reducing the risk of dementia.
    • 13 Jul 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning.
    • 12 Jul 2026 · Vitamin D · uses · X ↗
      He takes 5,000 IU of Vitamin D3 in the morning for overall health.
    • 6 Jul 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning.
    • 22 Jun 2026 · Vitamin D · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning for general health.
    • 17 Jun 2026 · Vitamin D · uses · X ↗
      Takes 5000 IU of Vitamin D3 every day for longevity.
    • 6 Jun 2026 · Vitamin D · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning.
    • 23 Jan 2025 · Lactobacillus · warns · YouTube ↗
      Warns that taking excessive amounts of certain probiotics, like lactobacillus, can lead to brain fog and an inability to focus.
    • 3 Jun 2024 · Lactobacillus · neutral · YouTube ↗
      Mentions a study where women who were obese and hypertensive in menopause, and had visceral fat, saw a decrease in visceral fat and improvements in blood pressure when supplementing with lactobacillus and bifidobacterium.
    • 28 Feb 2022 · Lactobacillus · neutral · YouTube ↗
      States that lactobacillus can give rise to increases in GABA levels, an inhibitory neurotransmitter that acts as a mild sedative and can reduce irritability.
  • Bryan Johnson · Vitamin D · uses
    • 22 Oct 2026 · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 15 Aug 2026 · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 3 Jul 2026 · neutral · X ↗
      Mentions that the sunlight assessment claims low vitamin D levels cause the immune system to misfire, and notes that their vitamin D has been measured.
    • 4 May 2026 · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for longevity.
    • 2 May 2026 · uses · X ↗
      He takes 5000 IU of Vitamin D3 in the morning for general health.
    • 21 Apr 2026 · uses · X ↗
      Takes 5000 IU of Vitamin D3 in the morning for general health.
    • 15 Apr 2026 · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning for longevity.
    • 14 Apr 2026 · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning.
    • 8 Apr 2026 · uses · X ↗
      Takes 5,000 IU of Vitamin D3 in the morning.
    • 7 Apr 2026 · uses · X ↗
      He takes 5000 IU of Vitamin D3 in the morning for general health.
  • Dr. Rhonda Patrick · Vitamin D · neutral
    • 5 Oct 2026 · neutral · Facebook ↗
      Vitamin D supplementation was linked to a 40% lower risk of dementia in an observational study of more than 12,000 older adults.
    • 30 Sep 2026 · recommends · YouTube ↗
      Mentions that vitamin D also plays a role in maintaining muscle mass.
    • 28 Sep 2026 · recommends · YouTube ↗
      Recommends ensuring adequate vitamin D intake for men's sperm health.
    • 24 Sep 2026 · neutral · Facebook ↗
      Vitamin D and strength training alone did not, but adding them strengthened the effect on one clock, with the full combination slowing that measure by ~3.8 months.
    • 25 Aug 2026 · neutral · Facebook ↗
      Lutein and zeaxanthin can also be obtained from certain multivitamins.
    • 28 Jul 2026 · recommends · Facebook ↗
      Recommends Vitamin D, noting it regulates over 5% of the genome, including genes involved in immune defense, neurotransmitter synthesis, and longevity, and correcting deficiency may slow epigenetic aging.
    • 22 Jul 2026 · neutral · YouTube ↗
      Uses Vitamin D3 as an example of a supplement that an AI model could track to see its impact on other metrics like glucose levels.
    • 26 Jun 2026 · recommends · Facebook ↗
      Recommends Vitamin D, explaining that it regulates over 5% of the genome, including genes involved in immune defense, neurotransmitter synthesis, and longevity.
    • 15 Jun 2026 · neutral · Instagram ↗
      Combining omega-3s with vitamin D and exercise has an additive effect, translating to ~3 months of slowed biological aging.
    • 11 Jun 2026 · neutral · Facebook ↗
      The effect got stronger when omega-3 was combined with vitamin D and resistance training, with the full stack delaying phenotypic aging by about 3.8 months.
    • 8 Jun 2021 · Lactobacillus · neutral · YouTube ↗
      Explains that Lactobacillus and Bifidobacter are beneficial microbes, and fibers generally increase both, which are thought to make short-chain fatty acids that boost the immune system.

RAL Summary

Members OnlyTier 4 for Kidney Health

Tier 4 fits. Probiotic trials for kidney function are small and disagree with pooled analyses [1][4], and cranberry's clearest benefit is fewer urinary infections rather than better kidney function [6]. No reviews were counted.

  • Emerging: not enough evidence to rank higher yet.

Where the evidence disagrees: 53 of the 118 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Urinary system, Digestive system, Immune system

Combine with: For urinary tract support, pair this with D-mannose to help prevent E. coli adhesion to the bladder wall, and with cranberry extract (standardized for PACs). Vitamin C can help acidify urine, and adequate hydration is essential. Uva ursi may be used short term, and marshmallow root can soothe irritated urinary tissue. Taking a prebiotic fiber such as inulin or FOS can help the probiotic strains colonize. If your real goal is blood sugar support, add berberine, chromium picolinate, alpha-lipoic acid, or Ceylon cinnamon, and consult your healthcare provider, especially if you take meds.

Possible side effects: Calcium plus vitamin D raised kidney stone risk in one large trial, and cranberry tablets raised a stone-forming substance in a tiny study. No side effects were reported by buyers.

Supplement Facts

Vitamin D3 25 mcg · Proprietary Lactobacillus Blend 204 mg · Proprietary Bifidobacterium Blend 22 mg
Supplement Facts
Serving Size 2 Vegetarian Capsules
Servings Per Container 30
Amount Per Serving% Daily Value
Vitamin D325 mcg
Proprietary Lactobacillus Blend204 mg†
Proprietary Bifidobacterium Blend22 mg†
Organic Prebiotic Fiber Blend600 mg†
Cran-Max® Cranberry500 mg†
† Daily Value not established.

Other ingredients: Vegetarian capsule (modified cellulose, water), silica.

Directions: As a dietary supplement, adults take two (2) vegetarian capsules with meals or as directed by a health care professional.

Barcode (UPC) 697842012829 · Label source: Reverseagelab · Report a label change

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Members OnlyThe highest ranked for the same goal

Graded November 5, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.