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Optimal Multivitamin W/ Iron

product on market Capsule Seeking Health Safety: 99/100
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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The formulation includes vitamins A, C, D3, E, and K1, which are supported by strong evidence for maintaining immune function, bone health, and antioxidant defense. These ingredients play established roles in cellular protection and nutrient metabolism. The profile maintains a high safety score, indicating a low risk of adverse effects at standard dosages.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Optimal Multivitamin W/ Iron
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
71%
Evidence Coverage
Ingredients

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 608 studies (A:16, B:251)
90 IU (300% DV)
4.0× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
80 mcg (100% DV)
Within RDA (0.7× RDA) 275 studies (A:9, B:175)
3 mg (200% DV)
2.5× RDA — within safe limits 76 studies (A:0, B:33)
9 mg (600% DV)
7.5× RDA — above typical dose 76 studies (A:0, B:33)
5.1 mg (300% DV)
3.9× RDA — above typical dose 13 studies (A:0, B:1)
40 mg (200% DV)
Exceeds UL by 1.1× (UL: 35 mg) 196 studies (A:5, B:63)
6 mg (300% DV)
4.6× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
800 mcg (200% DV)
2.0× RDA — within safe limits 226 studies (A:10, B:105)
250 mcg (4167% DV)
104.2× RDA — above typical dose 139 studies (A:1, B:44)
600 mcg (200% DV)
20.0× RDA — above typical dose 27 studies (A:0, B:11)
20 mg (200% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
100 mg (10% DV)
Iron
45 mg (250% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
100 mg (25% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
70 mcg (100% DV)
1.3× RDA — within safe limits 173 studies (A:0, B:67)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (100% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
120 mcg (100% DV)
3.4× RDA — above typical dose 199 studies (A:1, B:55)
75 mcg (100% DV)
1.7× RDA — within safe limits 3 studies — no high-quality reviews
2 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
50 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
10 mg
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Vegetarian Capsule Cellulose L-Leucine Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Info

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.

Metadata

Product Details

UPC / SKU8 28054 16536 6
DSLD Entry Date2018-06-25
Product TypeOther Combinations
FormCapsule
BrandSeeking Health
DSLD ID174726
Data Updated2026-04-11
Research

Research Evidence

566
Research Sources
56
Avg Quality
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
Meta Analysis Nature medicine 2025 PubMed DOI
A Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and adult menstruating women
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral or parenteral iron supplementation to reduce deferral, iron deficiency and/or anaemia in blood donors
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Serum or plasma ferritin concentration as an index of iron deficiency and overload
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Non-invasive diagnostic tests for Helicobacter pylori infection
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2022 PubMed DOI
A Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Fortification of condiments and seasonings with iron for preventing anaemia and improving health
Meta Analysis The Cochrane database of systematic reviews 2023 PubMed DOI
A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2024 PubMed DOI
A Psychiatric and cognitive outcomes of iron supplementation in non-anemic children, adolescents, and menstruating adults: A meta-analysis and systematic review
Meta Analysis Neuroscience and biobehavioral reviews 2025 PubMed DOI
View all evidence for Iron →
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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.