Supplement Label Index / Vitamin Research Products
Optimum Silver
Vitamin Research Products · Capsule · On market
Matched compounds
Compound Form Tier Amount
Alpha-Lipoic Acid
unspecified/undisclosed form
Unrated
50 mg
Biotin (Vitamin B7)
D-Biotin
Tier 1
300 mcg
Boron
Boron Citrate
Unrated
in blend (undisclosed)
Calcium
unspecified
Unrated
100 mg
Choline
Choline Bitartrate
Tier 2
in blend (undisclosed)
Chromium
Chromium Picolinate
Tier 1
100 mcg
Copper
Copper Amino Acid Chelate
Tier 1
500 mcg
Folate (Vitamin B9)
Folic Acid
Tier 2
200 mcg
Inositol (myo-Inositol)
unspecified/undisclosed form
Unrated
37.5 mg
Iodine
Potassium Iodide
Tier 1
75 mcg
L-Carnitine
Acetyl-L-Carnitine Hydrochloride
Unrated
50.475 mg
Lutein
Free (unesterified) Lutein
Tier 1
1.5 mg
Lycopene
unspecified/undisclosed form
Unrated
1.5 mg
Magnesium
unspecified
Unrated
100 mg
Manganese
Manganese Amino Acid Chelate
Unrated
1250 mcg
Molybdenum
Molybdenum Amino Acid Chelate
Unrated
100 mcg
N-Acetylcysteine (NAC)
N-Acetyl-L-Cysteine (free-form / USP)
Tier 1
150 mg
Niacin (Vitamin B3)
unspecified
Unrated
50 mg
Pantothenic Acid (Vitamin B5)
unspecified
Unrated
50 mg
Resveratrol
Polygonum cuspidatum (Japanese knotweed) root extract-sourced resveratrol
Unrated
in blend (undisclosed)
Riboflavin (Vitamin B2)
Riboflavin
Tier 1
7.5 mg
Selenium
unspecified/undisclosed form
Unrated
75 mcg
Thiamine (Vitamin B1)
unspecified
Unrated
10 mg
Vitamin A
unspecified
Unrated
1200 mcg
Vitamin B12 (Cobalamin)
Methylcobalamin
Tier 1
500 mcg
Vitamin B6 (Pyridoxine)
unspecified
Unrated
12.5 mg
Vitamin C
unspecified
Unrated
200 mg
Vitamin D
Cholecalciferol (Vitamin D3)
Tier 1
15 mcg
Vitamin E
unspecified
Unrated
100 IU
Vitamin K
unspecified
Unrated
125 mcg
Zinc
Zinc Amino Acid Chelate
Tier 2
12.5 mg
How these doses compare Alpha-Lipoic Acid : 50 mg per serving — higher than 40% of 2,426 on-market products declaring it (market median 50 mg).Biotin (Vitamin B7) : 300 mcg per serving — higher than 55% of 9,338 on-market products declaring it (market median 150 mcg).Calcium : 100 elemental mg per serving — higher than 42% of 18,473 on-market products declaring it (market median 112 elemental mg).Chromium : 100 elemental mcg per serving — higher than 43% of 7,735 on-market products declaring it (market median 100 elemental mcg).Copper : 500 elemental mcg per serving — higher than 20% of 6,572 on-market products declaring it (market median 1,000 elemental mcg).Folate (Vitamin B9) : 200 mcg DFE per serving — higher than 13% of 5,690 on-market products declaring it (market median 666 mcg DFE).Inositol (myo-Inositol) : 37.5 mg per serving — higher than 52% of 3,849 on-market products declaring it (market median 30 mg).Iodine : 75 elemental mcg per serving — higher than 22% of 6,521 on-market products declaring it (market median 150 elemental mcg).L-Carnitine : 50.48 mg per serving — higher than 16% of 2,140 on-market products declaring it (market median 341 mg).Lutein : 1.5 mg per serving — higher than 37% of 2,087 on-market products declaring it (market median 3 mg).Lycopene : 1.5 mg per serving — higher than 54% of 1,719 on-market products declaring it (market median 1 mg).Magnesium : 100 elemental mg per serving — higher than 51% of 14,120 on-market products declaring it (market median 80 elemental mg).Manganese : 1,250 elemental mcg per serving — higher than 32% of 7,274 on-market products declaring it (market median 2,000 elemental mcg).Molybdenum : 100 elemental mcg per serving — higher than 86% of 4,453 on-market products declaring it (market median 50 elemental mcg).N-Acetylcysteine (NAC) : 150 mg per serving — higher than 43% of 1,250 on-market products declaring it (market median 200 mg).Niacin (Vitamin B3) : 50 mg NE per serving — higher than 74% of 11,982 on-market products declaring it (market median 20 mg NE).Pantothenic Acid (Vitamin B5) : 50 mg per serving — higher than 70% of 9,834 on-market products declaring it (market median 14 mg).Riboflavin (Vitamin B2) : 7.5 mg per serving — higher than 58% of 9,701 on-market products declaring it (market median 4 mg).Selenium : 75 elemental mcg per serving — higher than 62% of 7,612 on-market products declaring it (market median 55 elemental mcg).Thiamine (Vitamin B1) : 10 mg per serving — higher than 58% of 9,706 on-market products declaring it (market median 5 mg).Vitamin A : 1,200 mcg RAE per serving — higher than 55% of 10,243 on-market products declaring it (market median 1,050 mcg RAE).Vitamin B12 (Cobalamin) : 500 mcg per serving — higher than 82% of 14,041 on-market products declaring it (market median 35 mcg).Vitamin B6 (Pyridoxine) : 12.5 mg per serving — higher than 66% of 15,068 on-market products declaring it (market median 6 mg).Vitamin C : 200 mg per serving — higher than 62% of 18,522 on-market products declaring it (market median 120 mg).Vitamin D : 15 mcg per serving — higher than 46% of 13,822 on-market products declaring it (market median 17.5 mcg).Vitamin K : 125 mcg per serving — higher than 87% of 4,705 on-market products declaring it (market median 75 mcg).Zinc : 12.5 elemental mg per serving — higher than 56% of 13,114 on-market products declaring it (market median 10 elemental mg).Per serving as declared; serving sizes and daily directions differ between products.
Excipients
Label statements
other: Directions: Take 3 capsules two times per day with meals.claim: Since 1979other: VRPidentity: Dietary Supplementclaim: TESTED FOR QUALITY & PURITYother: Keep container tightly closed in a cool, dry and dark place.warning: Keep out of reach of children.other: Chromax(R) and the Chromax logo are registered trademarks of Nutrition 21, Inc., U.S. Patent #5,087,623; #5,087,624 and #5,175,156.claim: Code Number: 3340
This product is manufactured in a NSF GMP registered facility.other: Chromax(R)other: 300-VRP3340A-E
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.
Methodology Sources Data About Contact
Contact: [email protected]
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.