This triple-mushroom blend combines **Reishi**, **Shiitake**, and **Maitake** for immune support, but two of the three are well below clinical doses. Reishi totals about 130mg per capsule (including a standardized extract with 4% triterpenoids and 7% beta-glucans), while research typically uses 1,000–3,000mg daily. Even at two capsules, you're getting only about 26% of the minimum studied Reishi dose.

**Maitake** is the best-dosed of the three — it comes as a 4:1 extract, bringing its equivalent to about 400mg per capsule. At two capsules daily, you'd reach roughly 800mg equivalent, within the 500–2,500mg clinical range. The standardized Reishi extract with defined triterpenoid and beta-glucan levels is a plus for quality.

The core tradeoff is that splitting capsule space three ways leaves Reishi and Shiitake underdosed. If immune support is your primary goal, you'd benefit from a higher daily capsule count or a formula focused on fewer mushrooms at full clinical doses.

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BioStacks

Solgar

Reishi Shiitake Maitake Mushroom Extract

Capsule · 50 servings · $0.36/serving

2 / 100Very Poor

Score Breakdown

Formulation
2
Safety
100
Final score
2/100

Ingredients (5)

organic Maitake Mushroom extract100 mg

20% of effective dose

organic Shiitake Mushroom extract100 mg

10% of effective dose

organic Red Reishi Mushroom extract100 mg

10% of effective dose

organic Red Reishi Mushroom extract30 mg

3% of effective dose

Shiitake Mushroom extract1.5 mg

0% of effective dose

Label Nutrition Facts

Active Ingredients

From the label · % Daily Value

DV%

organic Red Reishi Mushroom extract100 mg

organic Shiitake Mushroom extract100 mg

organic Maitake Mushroom extract100 mg

organic Red Reishi Mushroom extract30 mg

Shiitake Mushroom extract1.5 mg

Other Ingredients

Fillers, coatings, and additives

3Safe

Magnesium StearateLubricant

Safe

Microcrystalline CelluloseBinder

Safe

Microcrystalline CelluloseBinder

Safe

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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.