🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 29% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

2 Vegetable Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
29% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
249 mg (415% DV)
20 mg (5% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 20mg
750 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 750mg
375 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 375mg
Papain
225 mg
Pancreatin 10X
75 mg
75 mg
📊 Market median: 500.0mg (19 products)
This product: 75mg

Other Ingredients

Hydroxypropyl Methylcellulose L-Leucine

Label Claims — Verification

All Other
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take two or three vegetable capsules two to four times daily, in between meals if possible or as directed by a health care professional.

⚠️ Warnings & Precautions

Sold only for dispensing by a licensed health professional.

Pregnant and/or lactating women should consult their physician prior to use.

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Keep out of the reach of children.

Quercetin is not recommended for pregnant women or nursing mothers. Patients taking prescription medications should consult their physician for possible interactions.

🧪 Formulation Notes

Formulated by Mitchell A. Fleisher , M.D, D.Ht, D.A.B.F.M., Dc.A.B.C.T. Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Quercetin-Bromelain

Acid resistant Delayed release capsule

Additional Information

GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111

Product Details

UPC / SKU 3 51821 01029 8
DSLD Entry Date 2022-06-16
Product Type Other Combinations
Form Capsule
DSLD ID 263148
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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