100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
Limited research evidence available for ingredients

B Label Compliance Grade

Label

Product Label

Open Full PDF View on NIH DSLD →

Details

Label Data

1 Capsule(s)

Serving Size

Servings

Other Combinations

Product Type

Evidence Coverage

Ingredients

Supplement Facts — Evidence Check

Vitamin C

10 mg (17% DV)

Maitake PD Fraction(TM) (Grifola frondosa) Extract

25 mg

Maitake Mushroom (Grifola frondosa) Powder

250 mg

Other Ingredients

Rice Flour Vegetable Cellulose Vegetable Stearate

Claims

Label Claims — Verification

Unverified All Other

Unverified Structure/Function

Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 1 capsule, 1-3 times daily with food, or as directed by your health care practitioner.

Warnings & Precautions

Warning: If pregnant or nursing, or taking blood thinning medications, do not take this product without first consulting your health care practitioner.

Caution: Discontinue use 2 weeks prior to surgery.

Keep out of reach of children.

Formulation Notes

This product is vegetarian and free of citrus, corn, gluten and yeast.

Additional Information

TRUTH We pledge total truth in labeling. Our family of products contain only the purest and most potent ingredients. Guaranteed.

Store in a cool, dry place.

0200713.060 0110A

9913900 0613

Metadata

Product Details

UPC / SKU0 26664 27136 5

DSLD Entry Date2013-06-25

Product TypeOther Combinations

FormCapsule

BrandDaVinci Laboratories Of Vermont

DSLD ID22882

Data Updated2026-04-11

Research

Research Evidence

371

Research Sources

Avg Quality

148

Meta Analysis

Systematic Review

Rct

Clinical Trial

Regulatory Source

Cochrane Review

Narrative Review

Other

Openfda Safety

A Vitamin C supplementation in pregnancy

Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI

A Vitamin C supplementation for the primary prevention of cardiovascular disease

Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI

A Vitamin C for preventing and treating the common cold

Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI

A Vitamin C for preventing and treating pneumonia

Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI

A Vitamin E supplementation in pregnancy

Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI

A Vitamin C supplementation for prevention and treatment of pneumonia

Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI

A Vitamin C supplementation for prevention and treatment of pneumonia

Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI

A Nutritional interventions for preventing and treating pressure ulcers

Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI

A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis

Meta Analysis International journal of molecular sciences 2024 PubMed DOI

A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study

Meta Analysis BMC medicine 2021 PubMed DOI

View all evidence for Vitamin C →

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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.