Ultra One Daily Iron Free
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
Product Label
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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 Data
1 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
71%
Evidence Coverage
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 of 0.015 mg)
📚 604 studies (Tier A: 16, B: 251)
67 mg
(447% DV)
📊 4.5× RDA — above typical dose (UL: 1000 mg)
📚 177 studies (Tier A: 3, B: 90)
25 mg
(2083% DV)
📊 20.8× RDA — above typical dose
📚 76 studies (Tier A: 0, B: 33)
25 mg
(1923% DV)
📊 19.2× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
100 mg NE
(625% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
25 mg
(1471% DV)
📊 19.2× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
667 mcg DFE
(167% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 667.0× (UL: 1.0 mg)
📚 225 studies (Tier A: 10, B: 105)
100 mcg
(4167% DV)
📊 41.7× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
300 mcg
(1000% DV)
📊 10.0× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
50 mg
(1000% DV)
📊 10.0× RDA — above typical dose
📚 1 studies — no high-quality reviews
10.5 mg
(2% DV)
📊 Market median: 125.0mg (294 products)
📚 36 studies (Tier A: 1, B: 7)
Calcium
25 mg
(2% DV)
150 mcg
(100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg)
📚 243 studies (Tier A: 4, B: 133)
7.2 mg
(2% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
15 mg
(136% DV)
✅ 1.4× RDA — within safe limits
📚 258 studies (Tier A: 6, B: 134)
200 mcg
(364% DV)
📊 3.6× RDA — above typical dose (UL: 0.4 mg)
📚 172 studies (Tier A: 0, B: 67)
2 mg
(222% DV)
✅ 2.2× RDA — within safe limits
📚 36 studies (Tier A: 0, B: 11)
5 mg
(217% DV)
✅ 2.2× RDA — within safe limits
📚 8 studies — no high-quality reviews
200 mcg
(571% DV)
📊 5.7× RDA — above typical dose
📚 197 studies (Tier A: 1, B: 55)
150 mcg
(333% DV)
📊 3.3× RDA — above typical dose (UL: 2 mg)
📚 2 studies — no high-quality reviews
25 mg
📊 Market median: 500.0mg (9 products)
25 mg
📊 Market median: 550.0mg (217 products)
📚 29 studies (Tier A: 0, B: 5)
Other Ingredients
Cellulose
Magnesium Stearate
Potassium Citrate
Silica
Water, Purified
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (71% of products)
Nutrient (61% of products)
Approved Health (1% of products)
Target Groups
Vegan
Vegetarian
Adult (18 - 50 Years)
No Allergies
Gluten Free
Dairy Free
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.
Product Details
UPC / SKU
0 97467 30091 0
DSLD Entry Date
2023-11-22
Product Type
Other Combinations
Form
Capsule
Brand
NaturesPlus
DSLD ID
303204
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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