Thorne Curcumin Phytosome Review

Thorne's Curcumin Phytosome is presented as a well-absorbed curcumin supplement for joint stiffness, muscle soreness, and a healthy inflammatory response. The page states that Thorne's Curcumin Phytosome provides the most clinically studied curcumin on the market, helping maintain a healthy inflammatory response in the joints, muscles, GI tract, liver, brain, and nerves. The product page describes turmeric as extensively researched for its health-promoting properties, with a history of use in traditional Chinese and Ayurvedic medicine for more than 2,000 years. It explains that curcuminoids, the most active components in turmeric, are linked to promoting joint health and flexibility, supporting the liver and digestive system, and aiding cardiovascular health, and that curcumin acts as a powerful antioxidant. The page says the formula is built exclusively with Meriva, a phytosome complex that the page says provides superior absorption over other curcumin extracts, with a human study showing 29-times greater absorption than ordinary curcumin. The Sustained Release version uses Time-Sorb, described as a patented combination of high- and low-viscosity hydroxypropyl methylcellulose with magnesium citrate laurate, which the page says delays absorption and helps protect the active curcumin compounds as they pass through the stomach. Listed benefits include easing joint stiffness, encouraging flexibility, alleviating minor aches and muscle soreness, shielding muscles from exercise-related stress, and helping guard muscle tissue from age-related decline. The page also lists support for a balanced inflammatory response, healthy cholesterol processing, liver enzyme activity, and normal blood sugar levels. The product is third-party tested to verify that contents match the label and to confirm it contains no unsafe levels of heavy metals, pesticides, or microorganisms. The warnings state the product is contraindicated for anyone with a history of hypersensitivity to its ingredients, that pregnant users should consult a health-care practitioner, and that curcumin may reduce the therapeutic efficacy of cyclophosphamide and may interfere with irinotecan, so concurrent use with these agents should be avoided. The FAQ notes that Thorne does not use black pepper or piperine in its curcumin products because it can irritate the gut mucosa, and that the phospholipids are extracted from sunflower oil, so people with a sunflower allergy are not advised to use it. The page also says results vary by individual, with some people noticing changes in a few days and others needing a few weeks of consistent use.

Product Focus: Joints and MobilityAlso covers:Immune system
Tier ⓘ
Tier 2
Tier 2 · Researched. Human studies show improvement in an aging-related function or a specific goal, and the reviews agree. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
85 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
92% of 2,734
Biohacker Mentions
9 of 10

Study, Trial or Testing Result Summary

Members Only21 human studies · 18 improved
21 human studies18 improved3 no effect17,726 people studied

Curcumin, the main ingredient here, is taken at a full dose, well above the 250 milligrams a day that worked in a trial. A 2024 pooled analysis of 23 trials with 2175 people with knee osteoarthritis found curcumin reduced pain, joint symptom scores and use of rescue meds compared with placebo, with fewer side effects than meds [1]. A 2021 analysis of 15 trials with 1621 people found turmeric extract and curcumin eased pain and stiffness and improved function, working about as well as meds, and the authors suggest taking it for more than 12 weeks [2]. A large 2025 analysis of 39 trials with 4599 adults found curcumin showed potential for improving knee function, with no increase in side effects [3]. In rheumatoid arthritis, six studies with 539 people showed fewer tender and swollen joints and lower inflammation [4]. In 106 adults with knee pain, 250 milligrams a day of a turmeric extract for 90 days lowered walking pain more than placebo [5]. Many trials were small and of low quality [6]. Animal and cell studies are never counted.

See all 21 studies →Hide the studies

Review Totals and Summary

Members Only2,734 reviews · 92% positive
2,734 reviews · Amazon 1,664 · Google 871 · Thorne 133 · Walmart 66
92% positive4% neutral4% negative

Across the stores it is sold in, Thorne Curcumin Phytosome carries about 1,863 ratings, and feedback is mostly positive. Buyers mainly talk about joint and pain relief and good quality, while price and uneven results are the main drawbacks. **What buyers say it did for them:** The most common story is relief from joint pain and inflammation. One person with hip osteoarthritis said it "allowed me to stop taking OTC pain killers," though it took about two weeks to start working. Another wrote that it "works better than a med shots I was getting." Others describe more modest effects, such as feeling it "seems to decrease the pains I typically get from exercising" and "feel like it is helping my arthritis pain." Some users report gradual onset, and one says they "need to give it time." The page's own summary notes that some users see big differences and others notice nothing. **What they complain about:** The complaints are few. One reviewer saw no change ("Have not seen any difference so far"). Another tried it for a few days, had stomach issues, and was unsure whether it works. One buyer's order was cancelled by the vendor, and another had a hard time ordering a bottle and suggested the store test its ordering process. Those are store issues rather than product issues. **Taste, smell, pill size or form:** Reviewers did not comment on taste, smell or capsule size. One does give a dosing example: two capsules in the morning and two in the evening. Reviews of other forms of this product were left out, and this summary covers the capsules only. **Value for money:** Price is the main drawback raised. One reviewer called it "Very good quality but expensive." The store summary also names cost as the chief downside. No one says it was poor value, but nobody calls it cheap either. **Who it seems to suit and who it did not:** It appears to suit people looking for support with arthritis, joint pain or exercise soreness, especially those who want an alternative to over-the-counter pain relievers. One buyer liked it as a "Healthy alternative to meds" and said it "doesn't upset stomach." Long-term users are also happy, with one saying they have "Used this product for years." Buyers who researched the brand liked its reputation for testing and quality. It did not suit the reviewer who had stomach trouble, and it did nothing noticeable for the person who saw no difference. Anyone expecting quick results should note that several reports describe a wait of a couple of weeks or more, and that individual results vary.

Biohacker Summary

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

Curcumin gets a mostly favorable but mixed response from the panel: about half recommend or use it, several stay neutral, and two give cautions. Most take it for inflammation, with joint comfort, mood, brain health and blood sugar also mentioned. One panelist prefers the phytosomal form because standard curcumin is poorly absorbed, and he takes 500 mg a day; others point to well-absorbed versions, adding black pepper, or getting it in turmeric or curries, and one pairs it with omega-3 while another uses it alongside sulforaphane. Doses given include 500 mg daily and a range of 500 to 1000 mg, while one panelist warns against high doses and says to check sourcing for lead contamination, and another advises avoiding it in pregnancy. One panelist stopped taking it for longevity because he did not see enough evidence, and another says it does not replace sleep, food, exercise and stress care.

See all 10 biohackers →Hide the biohackers
  • Dave Asprey · Curcumin · uses
    • 29 Oct 2026 · uses · YouTube ↗
      Says CallaCurcumin is like "mommy's little helper" and he takes it when he knows he's going to eat late at night, around 5:00 or 6:00, to avoid overeating.
    • 7 Oct 2026 · recommends · YouTube ↗
      Recommends Tetrahydro Curcuminoids, stating they lower inflammation.
    • 4 Jun 2026 · recommends · YouTube ↗
      Recommends CurcuLite, a curcumin product, for turning up AMPK, which is foundational to energy, longevity, and detox.
    • 5 May 2026 · uses · YouTube ↗
      Takes curcumin, an extract of turmeric, to bypass the oxalate content while still getting the benefits.
    • 6 Nov 2025 · recommends · Podcast ↗
      Dave Asprey mentions that supplements like curcumin support pain relief and mood.
    • 6 Nov 2025 · recommends · YouTube ↗
      Notes that adding curcumins to a med can make it work significantly better, and it is included in their "happy saffron" product. They also recommend a combination of curcumins and omega-3 fatty acids for pain.
    • 16 Oct 2025 · neutral · YouTube ↗
      Notes that turmeric curcumin is also an NRF2 activator, though less bioavailable than sulforaphane.
    • 4 Sep 2025 · recommends · Podcast ↗
      Dave Asprey and his guests reveal how curcumin can rival meds, delivering natural ways to improve metabolism and regulate dopamine.
    • 22 Sep 2024 · uses · YouTube ↗
      Mentions that curcumin also has anti-parasitic properties and is useful.
    • 1 Aug 2024 · recommends · YouTube ↗
      Recommends combining specific nutrients like curcumin with red meat consumption to bind to iron and pull it out, rather than absorb it.
  • Dr. Eric Berg · Curcumin · neutral
    • 25 Oct 2026 · neutral · Facebook ↗
      Mentions that turmeric contains curcumin, which has been studied for its effects on inflammation, joint discomfort, mood, and blood sugar.
    • 17 Oct 2026 · neutral · Instagram ↗
      Notes that Curcumin barely absorbs without black pepper.
    • 6 Sep 2026 · recommends · Facebook ↗
      Recommends curcumin, stating it delivers powerful antioxidant and anti-inflammatory effects linked to cardiovascular health and mental well-being.
    • 3 Sep 2026 · neutral · X ↗
      Dr. Eric Berg states that curcumin may support blood sugar, but it should not be treated as an equivalent substitute for other treatments.
    • 2 Sep 2026 · recommends · Facebook ↗
      Lists curcumin as an epigenetic factor that may help with cancer prevention.
    • 21 Aug 2026 · neutral · Facebook ↗
      Curcumin is a compound that delivers powerful antioxidant and anti-inflammatory effects.
    • 4 Jul 2026 · recommends · Instagram ↗
      States that curcumin, found in turmeric, delivers powerful antioxidant and anti-inflammatory effects linked to cardiovascular health, mental well-being, and more.
    • 8 Apr 2026 · recommends · YouTube ↗
      Suggests that curcumin can be beneficial to counter some of the effects of a hypoxic state in cancer and inflammation.
    • 28 Jan 2026 · recommends · Podcast ↗
      States that curcumin, a potent compound in turmeric, can naturally alleviate pain and inflammation, and a study found that 1500 mg of turmeric with black pepper produced results comparable to a med without side effects.
    • 19 Dec 2025 · recommends · Podcast ↗
      Recommends increasing curcumin for best kidney health.
  • Thomas DeLauer · Curcumin · recommends
    • 14 Oct 2026 · recommends · YouTube ↗
      Notes that PET scans showed a significant reduction in amyloid plaque build-up in the group taking curcumin, suggesting fewer instances of Alzheimer's and dementia.
    • 11 Oct 2026 · recommends · YouTube ↗
      Discusses a UCLA study where curcumin led to a 28% increase in cognitive function and a significant reduction in amyloid plaque buildup, suggesting less instance of Alzheimer's and dementia. He also mentions a study where curcumin helped mood as much as a med.
    • 4 Oct 2026 · uses · YouTube ↗
      Uses Curcumin Gold in their recipe, stating it is amazing because it contains ginger oil, DHA, and curcumin, which work in harmony for the body to operate at its best, helping with inflammation and brain energy.
    • 6 Sep 2026 · neutral · YouTube ↗
      Discusses a UCLA study where participants taking 90 milligrams of curcumin daily for 18 months showed a 28% increase in cognitive function and a significant reduction in amyloid plaque buildup.
    • 1 Sep 2026 · recommends · Instagram ↗
      Recommends Curcumin, stating that 500-1000mg lowers CRP and IL-6 in trials and has over 2000 studies.
    • 16 Aug 2026 · recommends · YouTube ↗
      States that curcumin plus vitamin D is probably the most powerful brain booster and brain protector, explaining that curcumin helps macrophages enlarge to gobble up more amyloid beta.
    • 15 Jul 2026 · recommends · YouTube ↗
      Recommends curcumin, especially when stacked with ginger, noting its anti-inflammatory efficacy and its ability to increase antioxidant defense systems and reduce oxidative stress. He emphasizes taking it with black pepper or piperine, or in a liposomal form, for bioavailability.
    • 10 Jun 2026 · recommends · YouTube ↗
      Recommends curcumin with black pepper for general inflammation, explaining it blocks the primary transcription factor nuclear factor kappa B, shutting down the master regulatory at a genetic level for inflammation genes.
    • 4 Mar 2026 · neutral · Facebook ↗
      Curcumin with black pepper shuts down the NF-κB inflammatory pathway at the source, with pepper making it absorbable.
    • 17 Feb 2026 · neutral · YouTube ↗
      Cites a study showing that curcumin can shift gene expression in microglial cells, increasing anti-inflammatory genes and reducing pro-inflammatory signaling and migration, thereby slowing the snowball effect of inflammation.
  • Siim Land · Curcumin · recommends
    • 7 Oct 2026 · recommends · Instagram ↗
      Recommends Curcumin for joint pain and inflammation, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 6 Oct 2026 · neutral · X ↗
      Lists Curcumin as one of 15 supplements backed by human studies.
    • 6 Sep 2026 · recommends · Instagram ↗
      Thinks curcumin has some of the strongest evidence and is worth considering.
    • 7 Aug 2026 · neutral · YouTube ↗
      Mentions curcumin as a compound that can increase autophagy, but notes it doesn't come close to exercise in effectiveness.
    • 7 Jul 2026 · neutral · YouTube ↗
      States that curcumin, unless contaminated, is not going to raise liver enzymes.
    • 6 Mar 2026 · neutral · YouTube ↗
      Did not see a big extension from curcumin in their tests.
    • 30 Jan 2026 · neutral · Instagram ↗
      Mentions that it is infeasible to obtain sufficient curcumin from food.
    • 28 Dec 2025 · neutral · YouTube ↗
      Mentions curcumin as a supplement that has been shown to lower CRP and improve metabolic health.
    • 11 Dec 2025 · recommends · YouTube ↗
      Recommends curcumin for metabolic health, especially for insulin resistance and dyslipidemia.
    • 10 Oct 2025 · recommends · YouTube ↗
      Places Curcumin in the 'god tier' for longevity, based on its ability to extend lifespan in a few animal models and consistent human study findings of lower inflammation, better lipid profiles, and improved metabolic health.
  • Dr. Mark Hyman · Curcumin · recommends
    • 5 Oct 2026 · recommends · YouTube ↗
      States that curcumin is great for immune support and is anti-inflammatory, suggesting making curries.
    • 24 Aug 2026 · neutral · YouTube ↗
      Mentions that curcumin has been studied for its anti-inflammatory effects, but emphasizes that no supplement can replace the daily signals created by sleep, nutrition, exercise, stress management, and metabolic health.
    • 27 Jul 2026 · recommends · YouTube ↗
      Recommends curcumin as an anti-inflammatory supplement that can be helpful.
    • 13 Jul 2026 · neutral · YouTube ↗
      States that curcumin helps to lower broader inflammatory levels in the body.
    • 27 May 2026 · neutral · YouTube ↗
      Explains that curcumin is the key compound in turmeric, a polyphenol that research shows supports the body against conditions like cancer, cardiovascular stress, and neurogenic diseases like dementia, and can also help with inflammation, metabolic balance, joint comfort, and mood.
    • 8 Oct 2025 · neutral · YouTube ↗
      Lists curcumin as a phytochemical that helps mitochondrial function.
    • 14 May 2025 · neutral · YouTube ↗
      Mentions curcumin from turmeric as an example of a powerful phytochemical that affects the body.
    • 26 Feb 2025 · neutral · YouTube ↗
      Notes that curcumin is an amazing NRF2 activator, but its bioavailability is only 5% compared to sulforaphane from home-grown broccoli sprouts.
    • 29 Nov 2024 · recommends · YouTube ↗
      Recommends a curcumin supplement with black pepper (piperine) for indigestion, including reflux, noting that a recent trial found it as effective as a med.
    • 16 Oct 2024 · neutral · YouTube ↗
      Mentions that curcumin can modify the expression of genes, which in turn affects stress response and mental health.
  • Dr. Rhonda Patrick · Curcumin · neutral
    • 5 Aug 2026 · neutral · Facebook ↗
      Curcumin may be one of the most powerful naturally occurring dietary compounds for lowering age-related inflammation. The phytosomal form is preferred because standard curcumin is rapidly broken down by the liver, while phytosomal delivery makes it far more bioavailable.
    • 5 Aug 2026 · neutral · TikTok ↗
      Asks if curcumin can slow aging.
    • 24 Jun 2026 · neutral · Facebook ↗
      Curcumin may be one of the most effective natural compounds for lowering age-related inflammation. The phytosomal form matters because standard curcumin is poorly absorbed and rapidly metabolized, while phytosomal delivery makes it much more bioavailable.
    • 22 May 2026 · uses · Facebook ↗
      Takes phytosomal curcumin daily because it is much more bioavailable than standard curcumin and human evidence suggests it is potent for lowering TNF-α, a major inflammatory cytokine linked to biological aging.
    • 15 May 2026 · uses · Instagram ↗
      Rhonda takes 500 mg of liposomal Curcumin daily for inflammation.
    • 30 Apr 2026 · uses · Facebook ↗
      Uses Phytosomal curcumin, stating it is one of the only naturally occurring compounds shown to meaningfully lower TNF-alpha, a master inflammatory cytokine that accelerates aging.
    • 31 Jul 2024 · uses · Instagram ↗
      Took Meriva, a phytosomal curcumin, which has been shown to help with DOMS in some small studies.
    • 7 Oct 2021 · recommends · YouTube ↗
      States that curcumin, found in turmeric root, also activates antioxidant defenses.
    • 8 Jun 2021 · recommends · YouTube ↗
      Suggests that if someone is an 'immuno-ager,' they might want to take curcumin to help with their immune system.
    • 5 Apr 2017 · neutral · YouTube ↗
      Rhonda mentions curcumin as a xenohormetic compound that, in a small dose, is slightly toxic and activates cellular stress response pathways, helping the body deal with stress better.
  • Ben Greenfield · Curcumin · neutral
    • 13 Jun 2026 · neutral · Facebook ↗
      Mentions curcumin as another Nrf2 activator, but notes that sulforaphane outperforms it.
    • 13 Jun 2026 · uses · YouTube ↗
      States that their curcumin product affects the Nrf2 pathway by activating PKC delta, which phosphorylates Nrf2, allowing it to go into the nucleus, and works synergistically with sulforaphane.
    • 2 May 2026 · uses · YouTube ↗
      Ben Greenfield's clinic photoactivates curcumin before use, finding it to be very anti-cancer when photoactivated.
    • 26 Mar 2026 · recommends · YouTube ↗
      Says curcumin at low doses, such as sprinkled turmeric onto food, acts as a hormetic stressor, increasing internal defense systems, antioxidants, and repair pathways, leading to overall reductions in inflammation.
    • 20 Nov 2025 · recommends · Facebook ↗
      Recommends MitoQ +Curcumin, a Mitoquinol-enhanced blend with Longvida Curcumin for antioxidant and joint health synergy.
    • 30 Oct 2025 · neutral · Podcast ↗
      Gets nerdy about curcumin and explains which longevity supplements actually work, according to the science in mammals.
    • 30 Oct 2025 · uses · YouTube ↗
      Uses curcumin, taking Keon Flex at night on an empty stomach and a heaping tablespoon of Row Nutrition's liposomal curcumin at some point during the day, but not right after a workout due to its mTor signaling inhibition.
    • 26 Jun 2025 · neutral · YouTube ↗
      Mentions curcumin as a polyphenol that can confer benefits when consumed.
    • 3 May 2025 · recommends · YouTube ↗
      Recommends curcumin to reduce inflammation, especially when combined with the Weber laser treatment.
    • 27 Feb 2025 · recommends · YouTube ↗
      Tells people to take curcumin to block the secondary function of cancer pulling other things like glutamate and converting it through gluconeogenesis.
  • Andrew Huberman · Curcumin · neutral
    • 13 Apr 2026 · neutral · Podcast ↗
      Discusses curcumin as a supplement for prenatal care and sperm health.
    • 13 Apr 2026 · warns · YouTube ↗
      Does not recommend high-dose curcumin supplements for general use, suggesting it's only for specific purposes under a doctor's guidance to target excess inflammation.
    • 12 May 2025 · neutral · YouTube ↗
      Notes that people are excited about the possible health benefits of curcumin, which is found in turmeric.
    • 6 May 2024 · uses · YouTube ↗
      Includes curcumin in his diet because it has been shown to stimulate GLP-1.
    • 29 Feb 2024 · warns · YouTube ↗
      Warns against taking high doses of curcumin, noting potential negative effects like limiting dihydrotestosterone production, and advises checking sourcing carefully due to lead contamination concerns.
    • 10 Apr 2023 · neutral · Podcast ↗
      Mentions curcumin in the context of 5-alpha reductase.
    • 10 Apr 2023 · stopped · YouTube ↗
      States he once took curcumin in high dosages (1-2 gram capsules) and felt terrible, vowing never to take it again due to his sensitivity to its effects on the DHT pathway.
    • 22 Feb 2023 · warns · YouTube ↗
      Warns that some people, including himself, are very sensitive to curcumin because it can potently reduce DHT, leading to decreased libido and drive, though these effects reverse quickly after stopping.
    • 6 Feb 2023 · warns · YouTube ↗
      Warns against taking high dosages of curcumin, such as 8000 milligrams per day, because it can alter hormonal pathways, specifically inhibiting dihydrotestosterone (DHT) synthesis, which can lead to undesirable effects like reduced libido.
    • 11 Apr 2022 · warns · YouTube ↗
      Notes that if there's a strong genetic predisposition to enlarged prostates or early, fast-growing prostate cancers, individuals could consider taking curcumin as an anti-androgen, if they can tolerate it.
  • Peter Attia · Curcumin · uses
    • 23 Nov 2020 · uses · YouTube ↗
      Uses a specific nanoparticle version of curcumin at a reasonable dose, which may have anti-TNF alpha effects and help with inflammation.
    • 26 Oct 2020 · recommends · YouTube ↗
      States that a well-absorbed curcumin with high-dose omega-3 is as good as or better than any a med and helps improve brain function, mood, cognition, and may reduce dementia.
    • 31 Dec 2019 · uses · YouTube ↗
      Says that for a 27-year-old woman with an early-onset Alzheimer's gene, they would be "loading her up with curcumin" to prevent symptoms for 25 years.
    • Date not recorded · stopped · Website ↗
      Used to take Curcumin for longevity but stopped because he didn't see enough evidence.
    • Date not recorded · neutral · Website ↗
      Mentions curcumin as another example of a niche compound with numerous RCTs, reinforcing the point that research can be done without pharma sponsorship.
  • Bryan Johnson · Curcumin · warns
    • Date not recorded · warns · Website ↗
      Advises avoiding Curcumin during pregnancy.

RAL Summary

Members OnlyTier 2 for Joints and Mobility

Many pooled analyses, including 23 trials in 2175 people with knee osteoarthritis, show curcumin reduces joint pain and improves function, and 92% of 2744 reviews are positive, which meets the tier 2 rules.

Where the evidence disagrees: 3 of the 21 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Musculoskeletal system, Immune system

Combine with: For joint and inflammation support, curcumin phytosome pairs well with omega-3 fish oil (EPA/DHA), boswellia (AKBA-standardized), and collagen peptides or glucosamine/chondroitin. Vitamin D3/K2 and magnesium support musculoskeletal health. If you still want digestive comfort alongside it, consider ginger root extract, a broad-spectrum digestive enzyme with meals, artichoke leaf extract, or peppermint/caraway oil. Take curcumin with a meal containing some fat, and consult a healthcare provider if you take meds, have gallstones or bile duct obstruction, or have persistent upper-abdominal symptoms.

Possible side effects: Studies found fewer side effects than meds and no increase over placebo. One buyer reported stomach trouble after a few days.

Supplement Facts

Curcumin Phytosome 1 g
Supplement Facts
Serving Size Two Capsules
Servings Per Container 30
Amount Per Serving% Daily Value
Curcumin Phytosome1 g†
† Daily Value not established.

Other ingredients: Hypromellose (derived from cellulose) capsule, Leucine, Calcium Laurate, Silicon Dioxide, Calcium Citrate, Microcrystalline Cellulose.

Directions: Take 1-2 capsules two times daily or as recommended by your health-care practitioner.

Label source: Reverseagelab · Report a label change

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Our articles on this subject

Graded November 6, 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.