American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3, 30 Vegetarian Capsules supplement bottle
American BioSciences

ImmPower® D3, AHCC® Plus Vitamin D3, 30 Vegetarian Capsules

What We Researched
3 active ingredients analyzed · 1 inactive ingredient decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
81
Product Score Good
73
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as cholecalciferol) (1,500 IU) 37.5 mcg 188%
AHCC Proprietary BlendAHCC: a standardized extract of cultured Lentinula edodes mycelia, (with acetylated alpha-glucans), carnauba wax, microcrystalline cellulose, dextrin (from tapioca), alpha-cyclodextrin (vegetable) 500 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (as cholecalciferol) (1,500 IU) Good
  • AHCC Proprietary BlendAHCC: a standardized extract of cultured Lentinula edodes mycelia, (with acetylated alpha-glucans), carnauba wax, microcrystalline cellulose, dextrin (from tapioca), alpha-cyclodextrin (vegetable) Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
Efficacy Fair

Dosage Analysis

  • Vitamin D3 (as cholecalciferol) (1,500 IU) 37.5 mcg Effective
  • AHCC Proprietary BlendAHCC: a standardized extract of cultured Lentinula edodes mycelia, (with acetylated alpha-glucans), carnauba wax, microcrystalline cellulose, dextrin (from tapioca), alpha-cyclodextrin (vegetable) 500 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Vitamin D3 (as cholecalciferol) (1,500 IU) 37.5 mcg 188%
AHCC Proprietary BlendAHCC: a standardized extract of cultured Lentinula edodes mycelia, (with acetylated alpha-glucans), carnauba wax, microcrystalline cellulose, dextrin (from tapioca), alpha-cyclodextrin (vegetable) 500 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$30$29$27$26 Mar 12 $30.00$27.96
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
American BioSciences

Founded 1999 · Blauvelt, NY, United States · 2 products · americanbiosciences.com

Certifications

3 certifications
Npa Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3 a good supplement?

American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3, 30 Vegetarian Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 3 active ingredients All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, American BioSciences, holds a brand trust score of 73/100 with 3 verified certifications including Npa Gmp, Usda Organic, Fda Gmp Inspections.

What are the ingredients in American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3?

American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3 contains 3 active ingredients: Calories (5), Vitamin D3 (as cholecalciferol) (1,500 IU) (37.5 mcg), AHCC Proprietary BlendAHCC: a standardized extract of cultured Lentinula edodes mycelia, (with acetylated alpha-glucans), carnauba wax, microcrystalline cellulose, dextrin (from tapioca), alpha-cyclodextrin (vegetable) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3 safe to take?

American BioSciences ImmPower® D3, AHCC® Plus Vitamin D3, 30 Vegetarian Capsules has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is American BioSciences a trustworthy supplement brand?

American BioSciences receives a brand trust score of 73/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1999 and headquartered in Blauvelt, NY, United States, the company offers 2 products in their lineup. They hold 3 verified certifications including Npa Gmp, Usda Organic, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.