Thorne Choleast-900 Review

Highlights: Cholesterol Health: Red yeast rice provides naturally occurring compounds from fermented Monascus purpureus to help maintain cholesterol levels already in the normal range. Cardiovascular Support: Phytosterols and isoflavones help maintain healthy lipid levels, while also promoting healthy lipid particle size and number. Fewer Capsules: Provides 900 mg of red yeast rice per 1-capsule serving for easier supplementation. 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas. Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners). Description: Why Thorne? We've proven better is possible. Tested and trusted since 1984, Thorne applies scientific rigor, clinical expertise, and uncompromising standards to every product, all to provide unparalleled solutions for your health. Our supplements go through four rounds of testing, ingredient validation, and trusted third-party certifications. Decades of clinical experience drive product development, translating research into bioavailable formulations. Our No List guides this work, identifying 33 ingredient categories of fillers, binders, and additives we refuse to use in our supplements. With Thorne, you can build a routine that actually works for you based on personalized recommendations backed by scientific data. Experience superior results guided by our researchers, physicians, athletes, and partners committed to scientific wellness. Headquartered in Summerville, South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. Thorne maintains internationally recognized certifications that demonstrate our commitment to excellence, including an exemplary record of compliance with the FDA's current Good Manufacturing Practices (cGMP); certification by NSF, the gold standard for quality for dietary supplements; and an A rating from Australia's TGA, the toughest regulatory agency in the world.

Product Focus: CholesterolAlso covers:HeartMetabolism
Tier ⓘ
Tier 3 · Rank 4
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Rank 4 within Tier 3 for Cholesterol; 23 of 41 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
75 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
93% of 1,553
Biohacker Mentions
10 of 10

Study, Trial or Testing Result Summary

Members Only73 human studies · 66 improved
73 human studies66 improved3 no effect44,387 people studied

Red yeast rice is the only ingredient, at 900 mg a day, which is above the lowest dose that worked in studies. A 2022 pooled analysis of 131 trials with 13,062 adults ranked it among the two most effective supplements for lowering total and bad cholesterol, by about 36 mg per deciliter for total cholesterol [1]. A 2024 pooled analysis of 14 double-blind trials found bad cholesterol fell by about 36 mg per deciliter, without frequent or threatening side effects [2]. A 2023 pooled analysis found lower total cholesterol, bad cholesterol and triglycerides, with a small rise in good cholesterol [3]. An earlier analysis of 13 placebo-controlled trials found lower blood fats but no clear rise in good cholesterol [4]. In heart attack survivors, 1,200 mg a day, a bit more than one serving here, lowered bad cholesterol and reduced repeat heart attacks [5]. A trial of nearly 5,000 heart attack patients over about 4.5 years found fewer heart events and deaths [6]. In a 12-week trial, 51 percent reached their cholesterol target. As little as 200 mg a day helped in a small trial. One 28-day trial found no benefit over placebo. Animal and cell studies are never counted.

See all 73 studies →Hide the studies

Review Totals and Summary

Members Only1,553 reviews · 93% positive
1,553 reviews · Amazon 931 · Google 457 · Thorne 99 · Walmart 52 · Target 14
93% positive4% neutral3% negative

Overall, buyers of Thorne Choleast-900 capsules are largely positive: about 997 ratings across the stores, and most reviewers with stars gave 4 or 5. The strongest theme is that it lowered cholesterol numbers for people who tried it. **What buyers say it did for them:** Many report falling numbers on blood tests. One says "My LDL dropped 50 points in 3 months!" while taking two pills a day, and another reports "my LDL dropped about 30 points" after about three months. One reviewer's cholesterol went "from 246 to 187," and they said their doctor was pleased. Several say it helped them avoid meds, such as "eliminated the need for meds." One person who has taken it for over a year says their numbers came down. Another says it "helped me keep my cholesterol level low." Several mention no side effects, and one says "It is effective with no side effects." **What they complain about:** There are very few complaints. One reviewer worries that quality may slip now that Thorne has been bought: "concerned now that Thorne was bought up." A few reviewers say it is too early to judge, including the 3 star reviewer, who is a month in and waiting on a blood test. One 1 star rating comes with text saying the product "works when other brands didn't," so the low rating looks at odds with the comment. No written complaints about taste, size or price appear in the reviews. **Taste, smell, pill size or form:** Nobody mentions taste or smell. One reviewer likes that "it's not big" and that they need only one a day. Others describe taking two a day, such as 900 mg twice daily after meals, so the dosing people follow varies. Only the capsules are covered here; reviews of other forms were left out. **Value for money:** Price is not discussed in the reviews. One buyer appreciates getting it through Walmart, with speedy delivery and no wait of "2 weeks to a month." Others point to the brand's quality and testing: "Thorne is a highly recommended supplement brand." **Who it seems to suit and who it did not:** It seems to suit people who want a red yeast rice supplement to manage cholesterol, often alongside diet changes. One reviewer calls it "one of the few effective RRY on the market" when combined with diet. Several were steered to it by a doctor or primary care physician, and some were trying to avoid meds or other prescriptions. One reviewer had tried other things, including Thorne's fiber, before this helped "tremendously." Nobody clearly reports that it failed to work. People who want proof of results may need to wait: some newer users have not yet had bloodwork, and one is watching their results to see whether quality holds up under the new ownership.

Biohacker Summary

Members Only10 of 10 recommend it
10 of 10 biohackers on our panel recommend it

Eight of the ten panelists spoke about red yeast rice, the main ingredient, and the group is cautious rather than enthusiastic: one recommends it, two use it, and the rest are neutral or warn. Most take it to lower cholesterol and LDL, with some also pairing it with berberine, niacin, vitamin E and vitamin K, and several say to add CoQ10 because it may be depleted. Doses came up only in comparisons, with about 2400 milligrams likened to a standard dose of a cholesterol med and a review citing 200 to 4800 milligrams a day, and one person takes it at night. Cautions were common: it acts much like a med, unregulated products may be unsafe or unreliable, one advises avoiding it in pregnancy, and one panelist stopped after follow-up scans showed it did not slow plaque buildup.

See all 8 biohackers →Hide the biohackers
  • Dave Asprey · Red Yeast Rice · recommends
    • 7 Oct 2026 · recommends · YouTube ↗
      Recommends Red Yeast Rice as part of the Biopurify formula.
  • Dr. Eric Berg · Red Yeast Rice · neutral
    • 29 Jul 2026 · neutral · YouTube ↗
      Notes that red yeast rice, when combined with berberine, can reduce LDL by 35%.
    • 8 Jul 2026 · neutral · YouTube ↗
      Mentions that red yeast rice can help lower LDL.
    • 12 Oct 2025 · recommends · YouTube ↗
      States that red yeast rice worked better than meds for cardiovascular risk reduction, showing a 45% reduction compared to 30% for meds, with less than half the side effects.
    • 24 Nov 2023 · neutral · YouTube ↗
      States that red yeast rice, a common supplement for lowering cholesterol, can also help reduce the effects of vitamin A toxicity.
    • 13 Oct 2023 · recommends · Podcast ↗
      Suggests that red yeast extract can potentially help lower cholesterol naturally.
    • 12 Oct 2023 · recommends · Podcast ↗
      Recommends taking red yeast extract as a natural remedy for cholesterol problems.
    • 1 Mar 2023 · recommends · YouTube ↗
      Recommends extracts of red yeast, based on powerful research, to help keep cholesterol in check.
    • 15 Dec 2022 · recommends · YouTube ↗
      Recommends investigating red yeast rice extract, describing it as a natural version of a med that is very powerful in lowering cholesterol, especially for stubborn cases.
    • 7 Jul 2019 · recommends · Podcast ↗
      Dr. Berg recommends adding red yeast extract for genetic high cholesterol.
    • 16 Jun 2017 · recommends · YouTube ↗
      Recommends red yeast extract as something that acts like a natural a med to offset genetic high cholesterol.
  • Ben Greenfield · Red Yeast Rice · neutral
    • 8 Jan 2026 · neutral · YouTube ↗
      Mentions red yeast rice extract as a natural approach that might be good for plaque regression, referring to it as "nature's a med."
    • 6 Jun 2024 · recommends · YouTube ↗
      Ben Greenfield suggests red yeast rice extract with niacin and CoQ10, vitamin E, and vitamin K as natural alternatives for heart disease risk and plaque management.
    • 11 Apr 2024 · stopped · YouTube ↗
      Used red yeast rice extract for a while as a natural alternative for plaque accumulation but stopped because it did not work, as shown by follow-up scans.
    • 31 Aug 2023 · uses · YouTube ↗
      Has been experimenting with red yeast rice extract.
    • 4 Aug 2023 · uses · YouTube ↗
      Due to a high genetic risk for heart disease and an elevated plaque score, Ben Greenfield supplements with red yeast rice extract, which is like nature's a med, at night because the body does a lot of its cholesterol metabolism at night.
    • 24 Jun 2023 · uses · YouTube ↗
      Is comparing red yeast rice extract to low-dose meds to determine which is better for him to take for life for heart health.
    • 12 Oct 2019 · neutral · YouTube ↗
      Mentions that red yeast rice extract, when combined with berberine and quercetin, showed similar results to a med and meds for improving insulin sensitivity.
    • 5 Sep 2019 · recommends · YouTube ↗
      Is not convinced that red yeast rice extract is necessary for modulating cholesterol in someone without familial hypercholesterolemia or high particle counts, and that lowering LDL cholesterol should not be the holy grail for improving metabolic profile. However, he states that if one has lipid issues or familial hypercholesterolemia, adding red yeast rice extract on top of astaxanthin and berberine could be a good strategy.
    • 6 Jul 2019 · neutral · Podcast ↗
      Notes that red yeast rice supplements contain monacolin K, similar to meds, and can affect cholesterol, triglycerides, and blood pressure, but some forms may not contain high doses.
    • Date not recorded · warns · Website ↗
      Is not a fan of red yeast rice, stating that it contains substances similar to meds, which can lead to muscle tissue breakdown, kidney failure, CoQ10 depletion, nerve damage, and inflammation in the gut and liver.
  • Siim Land · Red Yeast Rice · neutral
    • 28 Dec 2025 · neutral · YouTube ↗
      States that red yeast rice extract is effective for lowering cholesterol, but due to its similarity to meds and potential CoQ10 depletion, it's an 'okay tier' option, with easier alternatives available.
    • 16 Aug 2025 · neutral · YouTube ↗
      Notes that Red Yeast Rice Extract is effective for lowering cholesterol due to its a med-like chemical ingredient, but advises awareness of potential health effects and the need to supplement CoQ10.
    • 14 Jul 2024 · neutral · Podcast ↗
      Discusses Red Yeast Rice, mentioning its use for cholesterol management and that Bryan Johnson takes it.
    • 9 Jul 2024 · neutral · YouTube ↗
      Red yeast rice extract is a commonly used supplement for high cholesterol, and a 2022 meta-analysis found that doses of 200 to 4800 mg a day improved lipids, especially triglycerides.
  • Peter Attia · Red Yeast Rice · warns
    • 16 Mar 2025 · warns · YouTube ↗
      Warns that a very high dose of red yeast rice is effectively a modest dose of pravastatin and advises against getting ideologically wrapped up in the idea of over-the-counter supplements versus pharmaceutical agents.
  • Bryan Johnson · Red Yeast Rice · uses
    • 2 Jul 2024 · uses · YouTube ↗
      Includes one red yeast rice pill in his Blueprint stack.
    • Date not recorded · warns · Website ↗
      Advises avoiding Red Yeast Rice during pregnancy.
  • Dr. Mark Hyman · Red Yeast Rice · neutral
    • 4 Mar 2022 · neutral · YouTube ↗
      Notes that 80 milligrams of Pravastatin is comparable to about 2400 milligrams of red yeast rice, which can work well in some patients.
    • Date not recorded · neutral · Website ↗
      Lists Red Yeast Rice + CoQ10 as a product available.
  • Dr. Rhonda Patrick · Red Yeast Rice · neutral
    • Date not recorded · neutral · Website ↗
      Dr. Rhonda Patrick explores red yeast rice for cholesterol.
    • Date not recorded · warns · Website ↗
      Discusses how red yeast rice compares to meds in lowering LDL and ApoB, but also highlights the dangers of unregulated red yeast rice supplements and why they may be unsafe and unreliable.

RAL Summary

Members OnlyTier 3 for Cholesterol

93% of its 1561 reviews are positive and human studies support Red Yeast Rice (66 of 73 human studies showed an improvement). The final check notes: The rules set tier 3, but the facts meet tier 2: 66 of 73 human studies, including large pooled analyses and a long placebo-controlled trial, show red yeast rice lowers cholesterol, and it has 1561 reviews with 93% positive.

Where the evidence disagrees: 3 of the 73 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Cardiovascular system, Metabolic system

Combine with: Because red yeast rice contains monacolin K (chemically identical to lovastatin), it can deplete coenzyme Q10, so pairing it with CoQ10 or ubiquinol (100-200 mg daily) is a sensible addition. Omega-3 fish oil (EPA/DHA) helps lower triglycerides, which complements the LDL-lowering effect of red yeast rice and plant sterols. Soluble fiber such as psyllium husk or beta-glucan from oats further reduces LDL by binding bile acids. Bergamot extract, berberine, or niacin can offer additional lipid support, though berberine and niacin should be used with medical guidance. Milk thistle or other liver support may be reasonable given that monacolins can affect liver enzymes. Avoid combining with prescription meds, and consult a clinician about interactions, especially with grapefruit, fibrates, or other meds. Pregnant or nursing women should not use it, and periodic liver enzyme and lipid monitoring is advisable.

Possible side effects: Studies found it well tolerated, without frequent, serious or threatening side effects. Reviewers who mention side effects say they had none.

Supplement Facts

Red Yeast Rice 900 mg
Supplement Facts
Serving Size 1 Capsule(s)
Servings Per Container 120
Amount Per Serving% Daily Value
Red Yeast Rice900 mg†
† Daily Value not established.

Other ingredients: Hypromellose, Leucine.

Directions: Suggested use: Take as recommended by your health-care practitioner.

Barcode (UPC) 693749705017 · Label source: NIH label database · Report a label change

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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.