Meijer Herbal Horny Goat Weed with Maca Review

Meijer Herbal Mens Health Horny Goat Weed With Maca, 60 ct is presented on this page as a dietary supplement built around men's wellness. According to the product details, this herbal dietary supplement combines horny goat weed with maca in an easy to take capsule. The page states that it is formulated to support men's wellness and is designed for daily use, offering a convenient way to incorporate traditional botanical ingredients into a routine. Each bottle contains 60 capsules for ongoing supplementation. The highlights section lists the item as a dietary supplement featuring horny goat weed with maca, with a count of 60. The page lists a UPC of 71928342564 for this item. The listed price is $9.99, and the page shows a Buy 1 Get 1 Free offer, with applied savings appearing in the cart and the final cost determined at checkout. Shoppers can also set up a subscription on the page. The subscription information explains that the item can be received on a regular schedule, that deliveries can be skipped, changed, or cancelled at any time, and that the store will let the customer know before a shipment is sent. The page notes that subscription items earn 2x points for every dollar spent. A section called About Subscriptions and a Set Up Subscription button are provided for customers who want that option. For in-store shoppers, the Ways to Shop section places the product in Aisle F, Section 6 at the Alpine location, with a Check Nearby Stores link for finding other locations. The product belongs to the Meijer Herbal line, and the page lists related herbal supplements such as ashwagandha root, ginkgo biloba, and saw palmetto. The About This Item section contains the product details, an ingredients heading, and a warnings and disclaimer heading, though the ingredient text itself does not appear in the scraped content. Customers are invited to write a review, and the reviews section currently states that no one has reviewed this product yet, so the item shows zero ratings.

Product Focus: Libido for MenAlso covers:Sexual healthBrainHormonesHeart
Tier ⓘ
Tier 4
Tier 4 · Emerging. A promising mechanism or animal data, with thin human evidence so far. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
42 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
90% of 1,500
Biohacker Mentions
0 of 10
Cost per month
$30 at 3 servings

Study, Trial or Testing Result Summary

Members Only40 human studies · 28 improved
40 human studies28 improved4 no effect5,683 people studied

Two ingredients are present at doses close to those studied. Yohimbe: a review pooling eight trials in men with erection problems found yohimbine roughly doubled or better the odds of improved erections, though alone it did not improve overall sexual function [1]. In one trial, 30 mg daily helped 71% of men versus 45% on placebo [2], and in another, 18 mg daily led 62% to report better sexual function versus 16% on placebo [3]. Tribulus, a full dose only at three servings a day: in 180 men with erection problems, 12 weeks improved sexual function including desire [4], and a pooled review found it improved male sexual function [5]. However, a larger pooled review found the evidence for Tribulus alone insufficient [6], and a small 30-day trial found no benefit. Maca is below the studied dose here; trials used 1,500 mg or more [7], and a review called the trials too few and small [8]. Horny goat weed has only mouse studies, with no human evidence [9]. L-arginine is present only in a trace amount, far below the 1,500 to 5,000 mg studied [10]. Animal and cell studies are never counted.

See all 40 studies →Hide the studies

Review Totals and Summary

Members Only1,500 reviews · 90% positive
1,500 reviews · Google Shopping 1,500
90% positive0% neutral10% negative

I found almost no reviews for the Meijer-branded tablet itself, so this summary draws on feedback for comparable horny goat weed and maca products. These include Nature's Bounty on iHerb, a multi-ingredient capsule on Walmart, and user comments on Drugs.com. Treat it as category-level feedback, not a verdict on the Meijer product. Satisfied customers most often describe a gradual, mild lift in energy and stamina. The Walmart reviews summary lists a noticeable increase in energy among its pros. Some buyers say results appeared within days. Others say improvement came after half a bottle, and some reordered once they saw effects. A Walmart reviewer called the energy boost good but not overwhelming, and said endurance also depends on diet and fitness. Buyers also praise value and a sense of quality. Capsules were described as easy to swallow and simple to fit into a daily routine. Drugs.com comments are more enthusiastic about libido and sexual performance. They describe stronger libido, stamina for workouts and effects that build over a few weeks. Several users say it works best taken alone or with food at breakfast. Some of this is anecdotal, and one reviewer described the effects as almost too strong. The criticisms are fewer and mostly about side effects and strength. One Walmart reviewer said it was fairly strong and caused a little gas. Another reviewer was lukewarm and said a pill alone cannot replace healthy habits. Some buyers rated it only slightly above average, which suggests the effect is subtle or varies from person to person. Walmart's distribution is mostly 5-star, but about 8% of ratings were 1-star. This points to a minority who felt no effect. Some reviews also read as enthusiastic first impressions written before the product had been used for long. Professional sources are more cautious than customers. WebMD says the benefits of horny goat weed are not well defined. Together, the feedback suggests mild energy and vitality gains and occasional stomach upset or gas. Results vary, and effects may take days to weeks. Buyers who expect prescription-level results are likely to be disappointed.

Biohacker Summary

Members Only0 of 10 recommend it
0 of 10 biohackers on our panel recommend it

The panel is split on tribulus, the main ingredient, and leans against it: seven of the ten spoke about it, and three of those warn that it does little or nothing for testosterone, with one calling its evidence very weak and another placing it in a junk tier. Two recommend it for libido, with one pointing to women who want to raise testosterone naturally, and two others are neutral, with one saying it is not working on the part of the body most people need help with and another saying he stopped it in favor of a different herb. No one gave a dose or a preferred form for tribulus, and one panelist advised avoiding it for building muscle because the testosterone rise is too small. Maca, a smaller ingredient in this product, is mostly recommended for libido, with one panelist citing 2 to 3 grams a day and several advising to take it early in the day because it can disturb sleep.

See all 9 biohackers →Hide the biohackers
  • Thomas DeLauer · Tribulus Terrestris · neutral
    • 3 Oct 2026 · neutral · YouTube ↗
      Mentions that more tribulus could be beneficial for testosterone, but it's not working on the axis that most people need help with.
    • 14 Mar 2026 · Maca · recommends · Facebook ↗
      Recommends maca, explaining it works on the hypothalamic-pituitary axis without directly altering hormone levels.
    • 17 Oct 2025 · Maca · warns · YouTube ↗
      Warns against taking maca root before bed because it can increase energy, blood pressure, and blood flow, which may negatively impact sleep, suggesting it be taken earlier in the day.
    • 17 Apr 2025 · stopped · YouTube ↗
      Advises replacing tribulus with Tongkat Ali, stating that it has negligible impact on testosterone levels.
    • 9 Apr 2025 · Yohimbe · uses · YouTube ↗
      Is a huge fan of low-dose yohimbe personally, noting its science and how it blocks alpha adrenergic receptors, and he used yohimbe cream on his abdomen for stubborn fat.
    • 27 Dec 2024 · Arginine · recommends · YouTube ↗
      Recommends Arginine Nitrate and other arginines to improve tissue quality and enhance power output during workouts.
    • 16 Dec 2024 · Arginine · recommends · YouTube ↗
      Recommends Arginine Nitrate for enhancing tissue quality and muscle performance.
    • 1 Dec 2024 · Arginine · recommends · YouTube ↗
      Recommends taking L-Arginine, possibly with GABA-influencing foods, as it can increase blood flow to the brain and significantly boost GABA levels in the brain, which helps with calmness.
    • 11 Nov 2024 · Arginine · recommends · YouTube ↗
      Recommends adding L-Arginine, a dirt cheap supplement, along with Gaba-rich foods, to increase Gaba's availability to cross the blood-brain barrier, especially the day after drinking.
    • 8 Aug 2024 · Arginine · neutral · YouTube ↗
      Notes that Sacha Inchi protein is high in Arginine, which is being investigated for its influence on obesity, mitochondrial biogenesis, brown adipose tissue, and fatty acid oxidation genes.
    • 28 Jan 2024 · Maca · recommends · YouTube ↗
      Recommends maca for both men and women to improve libido and other markers of sexual health, noting that it may take a while to trigger its adaptogenic effects.
    • 28 Jan 2024 · Arginine · recommends · YouTube ↗
      Recommends arginine to combat erectile dysfunction and improve sexual desire, citing a meta-analysis that found 1.5 to 5 grams was effective.
    • 29 Dec 2023 · Arginine · recommends · YouTube ↗
      Recommends getting arginine in the diet, as it is a strong activator of mtor, which is desired for building muscle and creating big spikes in mtor for short amounts of time.
    • 7 Mar 2023 · Maca · uses · YouTube ↗
      Has been taking black maca mixed with ashwagandha, usually around 4 or 5 p.m., and has noticed it increases his libido.
  • Siim Land · Tribulus Terrestris · warns
    • 12 Jun 2026 · warns · YouTube ↗
      States that Tribulus terrestris, a famous old-school testosterone booster, will not increase testosterone, citing a large meta-analysis.
    • 23 Sep 2026 · Arginine · neutral · YouTube ↗
      Explains that blood vessels normally make nitric oxide from the amino acid L-arginine through an enzyme called eNOS.
    • 5 Jun 2026 · warns · Instagram ↗
      States that Tribulus terrestris and similar supplements do almost nothing.
    • 30 Mar 2026 · warns · YouTube ↗
      Warns that Tribulus terrestris, a known testosterone booster, has very weak evidence for its effects on testosterone, with most studies showing no significant increase or only a small increase in men with low baseline testosterone.
    • 28 Dec 2025 · warns · YouTube ↗
      Places Tribulus Terrestris in the 'junk tier', stating there is no evidence it increases testosterone levels or helps with erectile dysfunction.
    • 16 Aug 2025 · warns · YouTube ↗
      Warns against Tribulus Terrestris, calling it the most generic testosterone-boosting supplement with no evidence of increasing testosterone levels or helping with erectile dysfunction.
    • 28 Mar 2025 · Arginine · neutral · YouTube ↗
      Notes that arginine is good for increasing nitric oxide and is found in many pre-workout supplements, but there are conflicting thoughts on its effectiveness.
    • 21 Mar 2025 · Arginine · recommends · YouTube ↗
      Tells older people to take Arginine Ketoglutarate because the arginine is helpful as a low-key vasodilator.
    • 12 Mar 2025 · Arginine · recommends · YouTube ↗
      Recommends Arginine before workouts to promote blood flow, which leads to better workouts and physical performance.
    • 15 Feb 2025 · Arginine · stopped · YouTube ↗
      Used to take Arginine but switched to Agmatine sulfate after discovering a mutation in his NOS3 gene, which synthesizes nitric oxide, and noticed massive differences in his 'pump' during workouts.
    • 15 Feb 2025 · Yohimbe · warns · YouTube ↗
      Warns that Yohimbe mimics adrenaline, which can lead to overstimulation.
    • 5 Oct 2024 · Arginine · warns · YouTube ↗
      Warns that Arginine can have negative adverse reactions with meds like a med, advising caution and checking product packaging for interactions.
    • 5 Oct 2024 · Arginine · recommends · YouTube ↗
      Suggests swapping out calcium Alpha-ketoglutarate for Arginine Alpha-ketoglutarate, especially if not on a low calcium diet, as it does not contain calcium.
    • 15 Mar 2024 · Arginine · recommends · YouTube ↗
      Suggests taking a little extra arginine when fighting an infection, as it is used a lot by the body during an infection and can help convert to citrulline.
  • Dave Asprey · Tribulus Terrestris · neutral
    • 9 Apr 2026 · neutral · YouTube ↗
      Mentions tribulus as a supplement that can raise testosterone levels for libido.
    • 30 Jun 2026 · Maca · uses · YouTube ↗
      Increased her Mighty Maca supplement intake for cardiac health and to increase nitric oxide.
    • 25 Jun 2026 · Maca · neutral · Podcast ↗
      Dave Asprey discusses maca as part of an adaptogen trio that works together for stress response and human performance.
    • 9 Apr 2026 · Maca · neutral · YouTube ↗
      Mentions maca root as a supplement that can raise testosterone levels for libido.
    • 9 Apr 2026 · Arginine · recommends · YouTube ↗
      Dave Asprey recommends Joy Mode, an electrolyte packet for sexual performance, to be taken one packet about 45 minutes before sex, as it contains clinical doses of L-citrulline, arginine nitrate, ginseng, and vitamin C to increase nitric oxide levels.
    • 17 Jul 2025 · Arginine · stopped · YouTube ↗
      Has tried arginine over the years but did not notice a significant difference in blood flow.
    • 15 Jul 2025 · Arginine · recommends · YouTube ↗
      Recommends L-arginine, or anything that leads to vasodilation, to boost the power of EWOT when taken beforehand.
    • 10 Jun 2025 · recommends · YouTube ↗
      Suggests trying tribulus as an herbal step to optimize testosterone levels.
    • 21 Feb 2025 · Arginine · uses · YouTube ↗
      Has added Arginine to his Wonderfeel product as a powerful antioxidant to reduce DNA damage, which in turn reduces the need for PARP to consume NAD, and considers it a foundational longevity molecule.
    • 6 Aug 2024 · Yohimbe · stopped · YouTube ↗
      Took Yohimbe one time before skating and felt it amplified his fear and heart rate, so he never took it again.
    • 2 Jan 2024 · Arginine · neutral · YouTube ↗
      Notes that companies are now creating pre- and post-op surgical supplementation with arginine, similar to what he had figured out years ago.
    • 14 Apr 2023 · Arginine · warns · YouTube ↗
      Dave Asprey says that the case for arginine isn't very strong and that taking high-dose Arginine can actually divert metabolism away from nitric oxide production and make things worse if you have endothelial dysfunction.
    • 29 Apr 2021 · Arginine · neutral · YouTube ↗
      Discusses a new study showing arginine supplementation causing more harm than good, and suggests evaluating supplements based on multiple pillars of evidence, such as lifespan extension in animals and epidemiological data in humans.
    • 2 Mar 2021 · Maca · neutral · YouTube ↗
      States that Maca was added to the Nutrafol formulation because its alkaloids function at different levels of the hypothalamus reactions and the hypothalamus-pituitary-gonadal axis, helping with estrogen balance and countering cortisol effects.
  • Andrew Huberman · Tribulus Terrestris · recommends
    • 12 Feb 2026 · recommends · Podcast ↗
      Discusses Tribulus as a supplement that may support a healthy libido.
    • 12 Feb 2026 · Maca · recommends · Podcast ↗
      Discusses Maca Root as a supplement that may support a healthy libido.
    • 12 Feb 2026 · Maca · recommends · YouTube ↗
      Recommends maca, stating that studies show consumption of 2 to 3 grams per day can increase subjective reports of sexual desire, independent of hormone systems, and should be consumed early in the day due to its stimulant properties.
    • 6 Mar 2025 · Arginine · neutral · Podcast ↗
      Mentions Arginine in the context of growth hormone supplements.
    • 14 Aug 2023 · Maca · neutral · YouTube ↗
      Huberman mentions Maca root as another supplement for libido, noting that its mechanism of action is not fully understood but may involve estrogen receptor modulation or dopaminergic tone changes.
    • 14 Aug 2023 · Arginine · neutral · YouTube ↗
      Huberman mentions arginine as a nonprescription substance that increases blood flow.
    • 9 Jan 2023 · Maca · recommends · Podcast ↗
      Recommends Maca Root for hormone health.
    • 9 Jan 2023 · Arginine · recommends · Podcast ↗
      Recommends Arginine for growth hormone.
    • 14 Feb 2022 · recommends · Podcast ↗
      He recommends Tribulus terrestris, specifically the brand Momentous, at a dose of 600 milligrams daily, as a tool to increase libido and sex drive.
    • 14 Feb 2022 · neutral · YouTube ↗
      Discusses Tribulus Terrestris, noting that while its effect on testosterone for fitness is unclear, some studies show it can increase free and bio-available testosterone in postmenopausal women and improve sexual desire and function in certain female populations.
    • 14 Feb 2022 · Maca · recommends · Podcast ↗
      He recommends Maca root, specifically the brand Momentous, at a dose of 1.5-3 grams daily, as a tool to increase libido and sex drive.
    • 14 Feb 2022 · Maca · recommends · YouTube ↗
      Recommends Maca, citing studies that show consumption of 2 to 3 grams per day can increase subjective reports of sexual desire in both men and women, independent of hormone systems, and can even offset a med-induced sexual dysfunction.
    • 27 Sep 2021 · Maca · neutral · Podcast ↗
      Mentions Maca as an example of direct and indirect effects.
    • 27 Sep 2021 · Maca · neutral · YouTube ↗
      Notes that Maca root can indirectly increase dopamine by reducing cortisol, but it is not a direct increase and is therefore subtle compared to other compounds and behaviors.
  • Ben Greenfield · Tribulus Terrestris · recommends
    • 25 Oct 2025 · recommends · YouTube ↗
      Recommends Tribulus terrestris as a phenomenal herbal for women to naturally raise testosterone levels, particularly when prescription testosterone is not an option.
    • 10 Oct 2026 · Arginine · neutral · YouTube ↗
      Mentions an arginine link to thymus metabolism, noting that immune cells require a lot of arginine.
    • 20 Aug 2026 · Maca · uses · YouTube ↗
      Sometimes adds maca to her powdered green drink.
    • 30 Jun 2026 · Maca · neutral · Facebook ↗
      Notes that maca is an ingredient in MTE.
    • 17 Jan 2026 · Arginine · recommends · YouTube ↗
      Recommends chia and flax seeds as they are rich in arginine, which can help supply nutrients that patients may be lacking.
    • 3 Apr 2025 · Arginine · recommends · YouTube ↗
      Recommends L-arginine, around 5 grams, as an aid for sexual performance and to combat erectile dysfunction.
    • 13 Feb 2025 · neutral · YouTube ↗
      Mentions Tribulus terrestris as an herb that seems to have an impact on testosterone.
    • 6 Dec 2024 · Arginine · neutral · YouTube ↗
      Mentions arginine as a supplement that can increase blood flow for pre-workout.
    • 14 Nov 2024 · Maca · neutral · Podcast ↗
      Will explore maca root as a natural libido enhancer.
    • 14 Nov 2024 · Maca · recommends · YouTube ↗
      Ben Greenfield recommends maca root as a potent adaptogenic herb that can enhance both libido and fertility, support adrenal function, and help with a med-induced sexual dysfunction.
    • 20 Jul 2024 · recommends · YouTube ↗
      States that Tribulus Terrestris is a phenomenal herbal for raising natural testosterone levels in women.
    • 13 Apr 2024 · Maca · uses · YouTube ↗
      Julie sometimes adds maca to her powdered green drink.
    • 1 Feb 2024 · warns · YouTube ↗
      Doesn't think Tribulus has any peer-reviewed data behind it and believes it's part of a cyclical supplement industry where products are proven not to work, disappear, and then return as the 'next greatest thing'.
    • 28 Dec 2023 · Arginine · uses · YouTube ↗
      Ben likes it when he takes a pre-workout like arginine and gets a wonderful rush in energy and blood flow.
  • Dr. Rhonda Patrick · Tribulus Terrestris · warns
    • 9 Sep 2025 · warns · YouTube ↗
      States that Tribulus, along with D-aspartic acid and fenugreek, has been disproven for its effects on testosterone.
    • 29 Apr 2025 · Arginine · recommends · Facebook ↗
      Recommends arginine as a blood flow enhancer that boosts nitric oxide, opens up blood vessels, and can improve how one feels during endurance or high-rep sessions, also sharpening mental clarity.
    • 28 Apr 2025 · Arginine · stopped · YouTube ↗
      Notes that arginine has fallen out of favor as a performance enhancer due to bioavailability issues and concerns about cold sores, with citrulline now being the preferred approach.
    • 22 Apr 2025 · Arginine · neutral · Podcast ↗
      Discusses whether nitric oxide boosters like beetroot, citrulline, and arginine work.
    • Date not recorded · Arginine · neutral · Website ↗
      The naturally occurring amino acid arginine makes cavity-prone dental plaque less acidic after sugar intake, potentially making plaque less damaging during periods of sugar exposure.
  • Dr. Eric Berg · Tribulus Terrestris · warns
    • 25 Apr 2025 · warns · Podcast ↗
      Advises avoiding tribulus for muscle building, as it increases testosterone but not enough to build muscle.
    • 4 Oct 2026 · Yohimbe · warns · YouTube ↗
      Does not recommend yohimbe or yohimbine, extracted from tree bark, because it tends to increase adrenaline and help with weight loss and libido, but has side effects.
    • 13 Aug 2026 · Arginine · recommends · YouTube ↗
      Recommends consuming arginine, along with proline and ornithine, in the meal that breaks a prolonged fast to get the benefits of stimulating stem cells.
    • 2 Oct 2025 · Arginine · recommends · YouTube ↗
      Recommends arginine as a potent way to increase growth hormone, but warns against taking it too close to a workout as it will lower growth hormone.
    • 19 Mar 2025 · Arginine · neutral · Podcast ↗
      Explains that herpes and shingles viruses need the amino acid arginine to survive.
    • 5 Mar 2025 · Arginine · recommends · Podcast ↗
      Recommends L-arginine to increase nitric oxide to help prevent heart attack.
    • 26 Feb 2025 · Arginine · neutral · Podcast ↗
      Mentions that Arginine can trigger nitric oxide.
    • 29 Nov 2024 · Maca · neutral · YouTube ↗
      Says Maca root is good for energy and sexual function like libido, but Ashwagandha offers similar effects with more stress-reducing and hormone-balancing benefits, and helps with sleep.
    • 6 May 2024 · Arginine · recommends · Podcast ↗
      Recommends taking 3 to 6 grams of Arginine daily on an empty stomach 30 minutes before a workout, as it increases growth hormone by inhibiting somatostatin.
    • 22 Oct 2023 · Arginine · recommends · Podcast ↗
      Recommends L-arginine as one of the best natural remedies for hypertension because it supports the production of nitric oxide.
    • 15 Mar 2023 · Maca · recommends · YouTube ↗
      Recommends taking stimulatory herbs like maca in the morning to increase energy.
    • 22 Feb 2023 · Arginine · neutral · YouTube ↗
      Mentions L-Arginine as a natural form that increases nitric oxide, which can help with erectile dysfunction.
    • 29 Jan 2023 · Arginine · recommends · YouTube ↗
      Recommends L-Arginine as a solution with minimal side effects to help make more nitric oxide and manage high blood pressure, suggesting taking half a scoop or a whole scoop each day in powder form.
    • 7 Oct 2022 · Arginine · neutral · YouTube ↗
      Mentions that some people use L-arginine, an amino acid, and notes that some studies show it works for erectile dysfunction.
  • Dr. Mark Hyman · Arginine · neutral
    • 11 Sep 2024 · neutral · YouTube ↗
      Notes that arginine is important for nitric oxide production, which dilates blood vessels and helps with inflammation.
    • 19 Jun 2024 · recommends · YouTube ↗
      Mentions arginine as one of the things that can be used to repair mucosal membranes as part of the 'repair' step in the 4R program.
    • 26 Apr 2024 · Maca · recommends · YouTube ↗
      States that Maca, an herb, improves sperm parameters.
    • 22 Mar 2024 · Maca · recommends · YouTube ↗
      Recommends Maca for men, stating it improves sperm function and health.
    • 1 Mar 2024 · Maca · recommends · YouTube ↗
      Mentions that low testosterone can sometimes be supported with herbs like Maca, which has a long history of use and research.
    • 10 Nov 2023 · recommends · YouTube ↗
      Recommends certain supplements like Arginine to naturally help build growth hormone.
    • 18 Oct 2023 · neutral · YouTube ↗
      Explains that Arginine is an amino acid that is a precursor for nitric oxide, which causes vasodilation and can help lower blood pressure.
    • 2 Aug 2023 · Maca · uses · YouTube ↗
      Started taking Maca after another person said it was the only thing to take.
    • 19 Apr 2023 · Maca · recommends · YouTube ↗
      Recommends maca as an adaptogen that can be helpful for people with libido issues.
    • 20 Jun 2022 · Maca · uses · YouTube ↗
      Adds maca powder to his morning protein shake for polyphenol intake.
    • 1 Apr 2022 · neutral · YouTube ↗
      Raises the question of whether taking arginine, which increases nitric oxide in the body, could be beneficial.
    • 12 Mar 2022 · warns · YouTube ↗
      Notes that foods containing arginine, like nuts, can activate the herpes virus.
    • 18 Feb 2022 · neutral · YouTube ↗
      Discusses whether people should be taking arginine to increase nitric oxide in the body, noting that there are dietary supplements that introduce arginine precursors and L-arginine.
    • 22 Oct 2021 · Maca · recommends · YouTube ↗
      Recommends maca as a food that acts as a prebiotic, helping Akkermansia muciniphila to flourish and balance the gut ecosystem.
  • Peter Attia · Arginine · neutral
    • 26 Sep 2022 · neutral · YouTube ↗
      Notes that nitrogen from arginine goes to nitric oxide, which is involved in vasodilation.
    • 22 Dec 2019 · neutral · YouTube ↗
      Notes that the Tor pathway evolved to detect both leucine and arginine, at least in most tissues, but the reason for sensing these two structurally different amino acids is a mystery.

RAL Summary

Members OnlyTier 4 for Libido for Men

The review summary says almost no reviews of the Meijer tablet were found and draws instead on other brands such as Nature's Bounty and a different multi-ingredient capsule, so the reviews and the 1500 review count cannot be taken as reviews of this product. Its reviews are set aside, so it is graded on its studies alone. Human studies support Tribulus Terrestris (6 of 10 human studies showed an improvement), but there are not yet enough reviews to confirm it (0).

Take 3 servings a day (6 capsules) to match the dose that worked in the studies.

  • Emerging: not enough evidence to rank higher yet.

Where the evidence disagrees: 4 of the 40 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Reproductive system, Nervous system, Endocrine system, Cardiovascular system

Combine with: For its intended libido and sexual-function purpose, consider pairing with L-citrulline or L-arginine for nitric oxide and blood flow, zinc and vitamin D for testosterone support, tongkat ali or fenugreek for male hormone balance, and Panax ginseng for energy and sexual performance. If the user's actual goal is adrenal support, add ashwagandha, rhodiola rosea, vitamin C, pantothenic acid (B5) and magnesium glycinate, and keep in mind that Epimedium can be stimulating and may interfere with meds, so check with a healthcare provider first.

Possible side effects: Tribulus was well tolerated in its main trial; in a small yohimbine study, side effects led two of nine people to stop.

Supplement Facts

Horny Goat Weed extract 500 mg · Maca extract 300 mg · Tribulus terrestris extract 250 mg
Supplement Facts
Serving Size 2 Capsule(s)
Servings Per Container 30
Amount Per Serving% Daily Value
Horny Goat Weed extract500 mg†
Maca extract300 mg†
Tribulus terrestris extract250 mg†
Yohimbe extract80 mg†
L-Arginine Hydrochloride40 mg†
† Daily Value not established.

Other ingredients: Rice powder, Gelatin Capsule, Vegetable Magnesium Stearate, Silica.

Directions: Suggested Use: As a dietary supplement for adult men, take two (2) capsules daily with the meal of your choice.

Barcode (UPC) 713733372435 · Label source: NIH label database · Report a label change

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Where to Buy

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Members OnlyThe highest ranked for the same goal

Graded November 3, 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.