Basics: short version, verdict first People Molecules Peptides Biomarkers Studies Stem Cells Editorial Methodology
← All ingredients
Myostatin inhibitor / Antioxidant

Epicatechin · (-)-Epicatechin

A cocoa-derived flavonoid that may inhibit myostatin and support muscle retention; human evidence is early-stage.

D
Evidence grade
Mostly animal

Short answer

Mechanistically interesting as a natural myostatin modulator, but the evidence base is early-stage with small sample sizes. Safe at typical doses.

Product and dose overview

Epicatechin ((-)-Epicatechin) is a myostatin inhibitor / antioxidant with evidence grade D, meaning it is primarily supported by animal studies. We track 1 products containing Epicatechin. Typical doses range from 750 to 750 mg per serving. The top-ranked product scores 4.9 out of 10 on our composite scale (dose, evidence, price, testing, transparency). Prices range up to $24.95 per month.

Evidence grade: D Products in database: 1 Category: Myostatin inhibitor / Antioxidant

Top Epicatechin products

ProductBrandDosePrice/mo3rd-party testedScore
Epicatechin Extract 750mgDorado Nutrition750 mg$24.95Yes4.9

Scores are editorial judgments, not a scientific standard. See how we score.

What it is

Epicatechin is a flavonoid found naturally in dark chocolate, green tea, and certain fruits. It has attracted interest for its potential to inhibit myostatin, a protein that limits muscle growth, and for antioxidant and cardioprotective effects.

Why people take it

In animal studies, epicatechin increased muscle mass, improved exercise capacity, and reduced myostatin levels. Small human trials show modest improvements in grip strength and fatigue resistance. Long-term safety and efficacy data are limited.

Our verdict

Mechanistically interesting as a natural myostatin modulator, but the evidence base is early-stage with small sample sizes. Safe at typical doses.

Structure & class

(-)-Epicatechin, a flavan-3-ol. Found in cacao (Theobroma cacao), Camellia sinensis. Myostatin (GDF-8) inhibition observed in vitro and in vivo; also modulates follistatin, nitric oxide, and IGF-1 pathways.

Mechanism & clinical data

Gutierrez-Salmean 2014 showed 1 mg/kg epicatechin improved grip strength and reduced myostatin in human subjects (n=6). Hüttenhower 2013 showed dose-dependent myostatin inhibition in C2C12 myotubes. Larger RCTs are lacking.

Pharmacokinetics

2 to 3 hours; conjugated metabolites circulate longer.

Dose & forms

Trial dose
500 mg
/ day
Range in trials
200 to 1000 mg
/ day
Common forms
Capsule (cocoa extract), Powder

What to watch out for

Quality varies between cocoa extracts; check (-)-epicatechin content specifically, as some products contain mostly (+)-epicatechin or other catechins.

Where this dose comes from

The trial dose above is our editorial pick from the published human trials for this ingredient. We choose the dose that the best-available studies used on the endpoint most relevant to longevity. The range shows the lowest and highest doses tested in published trials. The landmark studies below are the papers we read to set it. You can click through and check our work.

When new trials publish, our automated sweeps flag them. If a new study materially changes the dose, we update it through editorial review and record the old dose, new dose, and the triggering study in every affected product's recommendation history. The dose is never changed automatically.

Regulatory status

EUFood supplement
USDietary supplement
UKFood supplement
CANHP

Timeline

Regulatory events, evidence grade changes, and key research milestones for Epicatechin, most recent first. Studies link to the paper; regulatory entries name and link the responsible authority.

  • 2025-04 Regulatory single source
    EU Court sharpens the bar for botanical health claims
    A Court of Justice of the European Union ruling in April 2025 further tightened the requirements for how botanical ingredients (herbs, plant extracts) can be marketed with health claims in the EU, effectively removing much of the flexibility of the on-hold list.
  • 2024-06 Regulatory confirmed
    EU report identifies 117 supplement substances as potential health risks
    The HoA Working Group on Food Supplements (26 European countries) published its first report evaluating 117 substances used in food supplements. Of these, 65 were assessed as likely novel foods, 6 were already regulated, 34 had insufficient data, and 12 were prioritized for Article 8 restriction under Regulation (EC) No 1925/2006. The 12 priority substances include ashwagandha, curcumin, melatonin, piperine, St. John's wort, coumarin, p-synephrine, maca, holy basil, Melaleuca, black cohosh, and L-tryptophan. The report drew on 1,500 RASFF alerts reviewed between 2017 and mid-2022.
  • 2014 Research milestone
    Gutierrez-Salmean 2014 (Clin Nutr)
    RCT (n=6): 1 mg/kg (-)-epicatechin for 7 days improved grip strength and reduced serum myostatin by 8% in healthy older adults.
  • 2013 Research milestone
    Ramirez-Sanchez 2013 (Food Chem Toxicol)
    In vitro and mouse study: epicatechin increased follistatin, decreased myostatin, and improved muscle performance.
  • 2006-12 Regulatory confirmed
    EU Health Claims Regulation adopted
    Regulation (EC) No 1924/2006 laid down harmonised rules for nutrition and health claims made on foods, including supplements. Only claims listed in the EU Register of authorised claims can be used. Rejected botanical claims are held in a separate on-hold list.
  • 1997 Regulatory confirmed
    EU introduces the Novel Food Regulation
    Regulation (EC) No 258/97 required any food or food ingredient without a history of consumption in the EU before 15 May 1997 to be authorised before being placed on the market. This is the framework that captures NMN, spermidine as a supplement ingredient, urolithin A, and many other longevity actives.

Landmark studies

Found in these products (1)

All products in our catalog that contain Epicatechin, ranked by our overall score. Ranking is editorial, never paid.

Dorado Nutrition
Antioxidant
Active per serving
Epicatechin 750 mgCapsule · 60 servings
Price per serving
$0.42$24.95 · 60 servings
Testing
3rd-party listed · no public lab certificate

Status as recorded in the catalog from brand materials; not independently verified by NO1GEVITY.

Score & research context 4.9/10

Editorial score, not proof that this product works. Research-dose calculations are not dosing advice.

100%
of trial dose
$0.28
per research-dose day, not label serving
0Trial dose2×
Catalog price · Confirm current price with doradonutrition.com
Editorial guides

Buying guides and comparisons

Neighbouring molecules

Related ingredients

See all in Myostatin inhibitor / Antioxidant →

Molecules in the same class, plus the actives most often formulated alongside Epicatechin in our catalogue.

Nothing else in the database sits close enough to this molecule to list.

See Epicatechin in context: the mechanism it acts through, the biomarker it moves, the products that dose it, and the trials that tested it.

View Epicatechin on the Longevity Map →

Frequently asked questions

What is Epicatechin?

Epicatechin is a flavonoid found naturally in dark chocolate, green tea, and certain fruits. It has attracted interest for its potential to inhibit myostatin, a protein that limits muscle growth, and for antioxidant and cardioprotective effects.

What dose of Epicatechin should I take?

The trial dose in published human studies is 500 mg per day, with a range of 200 to 1000 mg per day. Always consult a qualified clinician before starting any supplement.

Is Epicatechin safe?

Quality varies between cocoa extracts; check (-)-epicatechin content specifically, as some products contain mostly (+)-epicatechin or other catechins.

What is the best Epicatechin supplement?

We track 1 products containing Epicatechin. The top-ranked product scores 4.9 out of 10 on our composite scale, which evaluates dose, evidence, price, third-party testing, and transparency. See the comparison table above. Scores are editorial judgments, not a scientific standard.

What is the evidence grade for Epicatechin?

Epicatechin has evidence grade D, meaning it is primarily supported by animal studies. Grade A means replicated human RCTs with hard endpoints. Grade B means human RCTs with biomarker outcomes. Grade C means mixed or small human trials. See our evidence grading methodology.

Independently checked

Data verification

Evidence grade
D
Mostly animal
Research dose
500 mg
Products tracked
1
Updated continuously
Safety signal
Quality varies between cocoa extracts; check (-)-epicatec...

Evidence grades are reviewed when new human RCTs are published. Product counts update automatically as new products are added. Dose ranges reflect published trial data, not brand recommendations. Read how we verify.