Supplement Label Index / Progressive Professional from Progressive Laboratories
C-1000 Plus
Progressive Professional from Progressive Laboratories · Capsule · On market
Matched compounds
Compound Form Tier Amount
Vitamin C
Ascorbic Acid
Tier 1
1000 mg
How these doses compare Vitamin C : 1,000 mg per serving — higher than 90% of 18,522 on-market products declaring it (market median 120 mg).Per serving as declared; serving sizes and daily directions differ between products.
Excipients
Gelatin Rice Flour Vegetable Lubricant
Label statements
other: Directions: Three capsules daily, or more, as directed by a health care professional.warning: Sold only for dispensing by a licensed health care professional.warning: Not to be used by pregnant or lactating women.warning: Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.warning: Keep out of reach of children.other: Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)other: Certified GMP Complaint
GMP
Good Manufacturing Practices
21 CFR 111other: Vitamin C
Plus Bioflavonoidsidentity: Dietary Supplement
Sibling formulas (Formula Twins)
View original label on DSLD → · Add to the Stack Checker
Label facts as declared by the manufacturer to the NIH Dietary Supplement Label Database (DSLD), not independently
lab-tested. This page reports what the label says; it does not rate, score, or recommend this product.
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How this page is made: the label facts are the NIH DSLD record, republished by software; the market-comparison figures are computed by scripts from every label in DSLD; explanatory text on this site is written with AI assistance and is not medically reviewed. Details .
Label data is sourced from the NIH Dietary Supplement Label Database (DSLD), released under CC0. Excipient/additive
regulatory data links to the Food Additive Index. Supplement Label Index does not rate products, recommend purchases, or
provide health advice.