Maitake D Fraction Standard
Product analysis
Maitake D Fraction Standard offers an economical combination of maitake extract and vitamin C for immune support. Findings for maitake depend on the specific preparation, so the extract amount alone cannot tell you how much benefit to expect.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality40
The maitake extract and vitamin C forms are identified, but their quality remains uncertain. Differing maitake quantity declarations also leave its total amount unclear.
Ingredient Transparency100
Both active ingredients have disclosed amounts and forms. The differing maitake quantity declarations still make its total amount difficult to interpret.
Value For Money79
The cost per serving is very economical for the maitake component. Value for the added vitamin C remains uncertain.
Customer Satisfaction75
Customer ratings are very positive across several hundred buyers. That provides a useful satisfaction signal without establishing an immune benefit.
Product Focus74
The simple combination stays focused on immune support. Maitake findings depend on the preparation and the people studied, so the expected benefit remains uncertain.
- Format
Capsule - Container
- 120 Capsule(s)
- Per serving
- $0.68
- Also available
Maitake D Fraction Standard$50.95- Customer rating
- 4.6 · 433 ratings
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Maitake (Grifola frondosa) fruiting body powder | 600 mg | |
PD-Fraction (Maitake Fruiting Body Extract) | 40 mg | |
Vitamin C (Ascorbic Acid) | 40 mg |
How this ingredient is rated
Composition and Label Disclosure0
Named Maitake Marker Disclosure
Composition and Label Disclosure100
Individual Preparation Amount Disclosure
Commercial Price and Usability100
Commercial Price per Labeled Serving
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Maitake mushroom supplementation modulates upper respiratory symptoms and immune responses in healthy adults: a randomized, double-blind, placebo-controlled trial.
- A phase I/II trial of a polysaccharide extract from Grifola frondosa (Maitake mushroom) in breast cancer patients: immunological effects.
- Maitake mushroom extract in myelodysplastic syndromes (MDS): a phase II study.
- Effect of Maitake (Grifola frondosa) D-Fraction on the activation of NK cells in cancer patients.
- Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
- Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
- Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
- New evidence for antioxidant properties of vitamin C.
- Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.