Optimal Multivitamin W/ Iron
99/100
This product looks safe
- Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
- 71% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
Label Data
4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
71%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin A
7000 IU
(140% DV)
Vitamin C
180 mg
(300% DV)
1000 IU
(250% DV)
✅ 1.7× RDA — within safe limits
📚 604 studies (Tier A: 16, B: 251)
90 IU
(300% DV)
📊 4.0× RDA — above typical dose (UL: 1000 mg)
📚 177 studies (Tier A: 3, B: 90)
80 mcg
(100% DV)
✅ Within RDA (0.7× RDA of 0.12 mg)
📚 273 studies (Tier A: 9, B: 175)
3 mg
(200% DV)
✅ 2.5× RDA — within safe limits
📚 76 studies (Tier A: 0, B: 33)
9 mg
(600% DV)
📊 7.5× RDA — above typical dose
📚 76 studies (Tier A: 0, B: 33)
5.1 mg
(300% DV)
📊 3.9× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
40 mg
(200% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.1× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
6 mg
(300% DV)
📊 4.6× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
800 mcg
(200% DV)
✅ 2.0× RDA — within safe limits
📚 225 studies (Tier A: 10, B: 105)
250 mcg
(4167% DV)
📊 104.2× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
600 mcg
(200% DV)
📊 20.0× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
20 mg
(200% DV)
📊 4.0× RDA — above typical dose
📚 1 studies — no high-quality reviews
Calcium
100 mg
(10% DV)
Iron
45 mg
(250% DV)
150 mcg
(100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg)
📚 243 studies (Tier A: 4, B: 133)
100 mg
(25% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
15 mg
(100% DV)
✅ 1.4× RDA — within safe limits
📚 258 studies (Tier A: 6, B: 134)
70 mcg
(100% DV)
✅ 1.3× RDA — within safe limits
📚 172 studies (Tier A: 0, B: 67)
2 mg
(100% DV)
✅ 2.2× RDA — within safe limits
📚 36 studies (Tier A: 0, B: 11)
2 mg
(100% DV)
✅ Within RDA (0.9× RDA of 2.3 mg)
📚 8 studies — no high-quality reviews
120 mcg
(100% DV)
📊 3.4× RDA — above typical dose
📚 197 studies (Tier A: 1, B: 55)
75 mcg
(100% DV)
✅ 1.7× RDA — within safe limits
📚 2 studies — no high-quality reviews
2 mg
📊 Market median: 3.0mg (58 products)
📚 2 studies — no high-quality reviews
50 mcg
📊 Market median: 0.5mg (6 products)
📚 1 studies (Tier A: 0, B: 1)
10 mg
📊 Market median: 125.0mg (294 products)
📚 36 studies (Tier A: 1, B: 7)
25 mg
📊 Market median: 550.0mg (217 products)
📚 29 studies (Tier A: 0, B: 5)
Other Ingredients
Vegetarian Capsule
Cellulose
L-Leucine
Silicon Dioxide
Label Claims — Verification
❓
All Other
All Other (99% of products)
Structure/Function (71% of products)
Nutrient (61% of products)
Approved Health (1% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Suggested USe: 4 capsules daily with food or as directed by your health care professional.
⚠️ Warnings & Precautions
Warning: Accidental overdose or iron-containing products is a leading cause of fatal poisoning in children under the age of 6. Keep out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Do not use if shrinkwrap is broken or missing.
Additional Information
Physician formulated
Store in a cool, dry place (59(0)F-85(0)F) away from direct light.
This product was made in a GMP and ISO 9001:2008 registered facility.
Product Details
UPC / SKU
8 28054 16536 6
DSLD Entry Date
2018-06-25
Product Type
Other Combinations
Form
Capsule
Brand
Seeking Health
DSLD ID
174726
Data Updated
2026-04-11
Research Evidence
566
Research Sources
56
Avg Quality Score
240
Meta Analysis
100
Clinical Trial
74
Systematic Review
71
Guideline
58
Rct
11
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
1
Observational
1
Openfda Safety
A
Systematic review and meta-analysis of intravenous iron therapy for patients with heart failure and iron deficiency
A
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and adult menstruating women
A
Oral or parenteral iron supplementation to reduce deferral, iron deficiency and/or anaemia in blood donors
A
Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations
A
Fortification of condiments and seasonings with iron for preventing anaemia and improving health
A
Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
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