BioStacks
California Gold Nutrition

Ergothioneine 5 mg

1 Capsule · 90 servings · $0.19/serving

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Ingredients (1)

L-Ergothioneine

100%

Dose

5 mg

Target

5–25 mg

Form

—

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Take it anytime

Timing doesn't matter for this one — taking it consistently does.

With or without food

On the label

Take 1 capsule daily, with or without food. Best when taken as directed by a qualified healthcare professional.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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