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Optimal Multivitamin w/Iron

product on market Capsule Seeking Health Safety: 98/100
98/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • Folate: 1360mg is 1360.0× the Tolerable Upper Intake Level (1.0mg)
  • 69% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The profile includes essential vitamins A, C, D3, E, and K1, which are supported by strong evidence for maintaining immune function and cellular health. These nutrients play documented roles in antioxidant defense and bone metabolism. 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: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)

Folate: 1360mg is 1360.0× the Tolerable Upper Intake Level (1.0mg)

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
69%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
2100 mcg RAE (233% DV)
Vitamin C
180 mg (200% DV)
25 mcg (125% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
60 mg (400% DV)
4.0× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
80 mcg (67% DV)
Within RDA (0.7× RDA) 275 studies (A:9, B:175)
12 mg (1000% DV)
10.0× RDA — above typical dose 76 studies (A:0, B:33)
5.1 mg (392% DV)
3.9× RDA — above typical dose 13 studies (A:0, B:1)
40 mg NE (250% DV)
Exceeds UL by 1.1× (UL: 35 mg) 196 studies (A:5, B:63)
6 mg (353% DV)
4.6× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
1360 mcg DFE (340% DV)
Exceeds UL by 1360.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
250 mcg (10417% DV)
104.2× RDA — above typical dose 139 studies (A:1, B:44)
600 mcg (2000% DV)
20.0× RDA — above typical dose 27 studies (A:0, B:11)
20 mg (400% DV)
4.0× RDA — above typical dose 2 studies — no high-quality reviews
10 mg (2% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Calcium
100 mg (8% DV)
Iron
45 mg (250% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
100 mg (24% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
15 mg (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
70 mcg (127% DV)
1.3× RDA — within safe limits 173 studies (A:0, B:67)
2 mg (222% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (87% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
120 mcg (343% DV)
3.4× RDA — above typical dose 199 studies (A:1, B:55)
75 mcg (167% 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)
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Within RDA (0.1× RDA) 179 studies (A:3, B:90)
Natural Mixed Carotenoids
20 mcg

Other Ingredients

Microcrystalline Cellulose Vegetarian Capsule L-Leucine Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Suggested Use: 4 capsules daily with food or as directed by your healthcare professional.

Warnings & Precautions

Warning: Accidental overdose of 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

Targeted support

Find other effective health products at: www.seekinghealth.com

Optimal Multivitamin w/Iron meets or exceeds cGMP quality standards.

Storage: Store in a cool, dry place below 85 degrees F away from direct light. Do not freeze.

Metadata

Product Details

UPC / SKU8 10007 52088 9
DSLD Entry Date2020-01-25
Product TypeOther Combinations
FormCapsule
BrandSeeking Health
DSLD ID211025
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.