Optimum Silver
89/100
This product is generally safe
- Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
- Contains proprietary blend — exact ingredient amounts not disclosed
- 64% of ingredients have research evidence
C
Label Compliance Grade
What the Evidence Says
AI-generated · Qwen 3.6 · methodologyThis profile contains essential fat-soluble and antioxidant vitamins that support immune function and bone health. There is strong research evidence supporting the roles of vitamins A, C, D3, E, and K in maintaining systemic physiological processes. The formulation maintains a high safety score, indicating a low risk of adverse effects.
AI-generated summary based on research evidence. Not medical advice.
Alerts
Safety Alerts
Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
Contains proprietary blend — exact ingredient amounts not disclosed
Label
Product Label
Details
Label Data
3 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
64%
Evidence Coverage
Ingredients
Supplement Facts — Evidence Check
Vitamin A
4000 IU
(80% DV)
Vitamin C
200 mg
(333% DV)
600 IU
(150% DV)
Within RDA (1.0× RDA)
608 studies (A:16, B:251)
100 IU
(333% DV)
4.5× RDA — above typical dose (UL: 1000 mg)
179 studies (A:3, B:90)
125 mcg
(156% DV)
Within RDA (1.0× RDA)
275 studies (A:9, B:175)
10 mg
(666% DV)
8.3× RDA — above typical dose
76 studies (A:0, B:33)
7.5 mg
(441% DV)
5.8× RDA — above typical dose
13 studies (A:0, B:1)
50 mg
(250% DV)
Exceeds UL by 1.4× (UL: 35 mg)
196 studies (A:5, B:63)
12.5 mg
(625% DV)
9.6× RDA — above typical dose (UL: 100 mg)
114 studies (A:3, B:35)
200 mcg
(50% DV)
Within RDA (0.5× RDA)
226 studies (A:10, B:105)
500 mcg
(8333% DV)
208.3× RDA — above typical dose
139 studies (A:1, B:44)
300 mcg
(100% DV)
10.0× RDA — above typical dose
27 studies (A:0, B:11)
50 mg
(500% DV)
10.0× RDA — above typical dose
2 studies — no high-quality reviews
Calcium
100 mg
(10% DV)
75 mcg
(50% DV)
Within RDA (0.5× RDA)
245 studies (A:4, B:133)
100 mg
(25% DV)
Within RDA (0.2× RDA)
316 studies (A:8, B:159)
12.5 mg
(83% DV)
1.1× RDA — within safe limits
263 studies (A:6, B:134)
75 mcg
(107% DV)
1.4× RDA — within safe limits
173 studies (A:0, B:67)
0.5 mg
(25% DV)
Within RDA (0.6× RDA)
37 studies (A:0, B:11)
1.25 mg
(63% DV)
Within RDA (0.5× RDA)
9 studies — no high-quality reviews
100 mcg
(83% DV)
2.9× RDA — within safe limits
199 studies (A:1, B:55)
100 mcg
(133% DV)
2.2× RDA — within safe limits
3 studies — no high-quality reviews
150 mg
Market median: 600.0mg (7 products)
39 studies (A:2, B:13)
75 mg
Market median: 500.0mg (861 products)
61 studies (A:4, B:13)
50 mg
Market median: 200.0mg (198 products)
6 studies — no high-quality reviews
DMAE
50 mg
37.5 mg
Market median: 550.0mg (217 products)
29 studies (A:0, B:5)
15 mg
Market median: 500.0mg (19 products)
Vinpocetine
5 mg
1.5 mg
Market median: 10.0mg (105 products)
2 studies (A:0, B:1)
1.5 mg
Market median: 10.0mg (35 products)
6 studies (A:0, B:2)
Proprietary Blend
627 mg
Other Ingredients
Hydroxypropylmethylcellulose
Claims
Label Claims — Verification
Unverified
All Other
Info
Product Information
Directions for Use
Directions: Take 3 capsules two times per day with meals.
Warnings & Precautions
Keep out of reach of children.
Additional Information
Since 1979
VRP
TESTED FOR QUALITY & PURITY
Keep container tightly closed in a cool, dry and dark place.
Code Number: 3340 This product is manufactured in a NSF GMP registered facility.
Chromax(R)
300-VRP3340A-E
Metadata
Product Details
UPC / SKU8 10832 01157 6
DSLD Entry Date2014-06-25
Product TypeOther Combinations
FormCapsule
DSLD ID34058
Data Updated2026-04-11
Research
Research Evidence
337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A
Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
A
Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
A
Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
A
Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
A
Fortification of staple foods with vitamin A for vitamin A deficiency
A
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
A
Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
A
Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
A
Food fortification with multiple micronutrients: impact on health outcomes in general population
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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.