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Ultra One Daily Iron Free

product on market Capsule NaturesPlus Safety: 97/100
97/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 71% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The formula contains essential vitamins A, C, D, E, and thiamine, which are supported by strong evidence for maintaining immune function and cellular health. These nutrients play critical roles in antioxidant defense and metabolic processes. The product maintains a high safety profile based on the provided scoring.

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

Alerts

Safety Alerts

Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Ultra One Daily Iron Free
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
71%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
3000 mcg RAE (333% DV)
Vitamin C
150 mg (167% DV)
10 mcg (50% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
67 mg (447% DV)
4.5× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
25 mg (2083% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
100 mg NE (625% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
25 mg (1471% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
667 mcg DFE (167% DV)
Exceeds UL by 667.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
100 mcg (4167% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
50 mg (1000% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
10.5 mg (2% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Calcium
25 mg (2% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
7.2 mg (2% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
15 mg (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
200 mcg (364% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
2 mg (222% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
5 mg (217% DV)
2.2× RDA — within safe limits 9 studies — no high-quality reviews
200 mcg (571% DV)
5.7× RDA — above typical dose 199 studies (A:1, B:55)
150 mcg (333% DV)
3.3× RDA — above typical dose (UL: 2 mg) 3 studies — no high-quality reviews
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Cellulose Magnesium Stearate Potassium Citrate Silica Water, Purified
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: One capsule daily with a meal.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Multivitamins are a combination of many different vitamins and minerals normally found in foods and other natural sources.

All our vital organs and systems, including the immune system, heart, lungs, muscles and brain, require vitamins and minerals. Multivitamins are used to help supplement the nutrients that we do not get enough of, or are not able to obtain, through our normal diet to promote overall health.

Free from artificial colors and artificial preservatives. Free from all of the major allergens identified in the U.S. Food Allergen Labeling and Consumer Protection Act.

Vegan

Gluten free

Multivitamin & mineral With Beta carotene

Overall wellness

Additional Information

Keep tightly closed in a cool, dry place.

Metadata

Product Details

UPC / SKU0 97467 30091 0
DSLD Entry Date2023-11-22
Product TypeOther Combinations
FormCapsule
BrandNaturesPlus
DSLD ID303204
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.