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Mega II Daily Iron-Free

product on market Capsule Highland Laboratories Safety: 89/100
89/100

This product is generally safe

  • Niacinamide: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 59% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The profile includes essential vitamins such as 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 formulation maintains a high safety score, indicating a low risk of adverse effects for most users.

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

Alerts

Safety Alerts

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

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Mega II Daily Iron-Free
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Vegetarian Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
59%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
20000 IU (400% DV)
Vitamin C
250 mg (416% DV)
400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
60 IU (200% DV)
2.7× RDA — within safe limits 179 studies (A:3, B:90)
100 mg (6666% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
100 mg (5882% DV)
76.9× RDA — above typical dose 13 studies (A:0, B:1)
100 mg (500% DV)
Exceeds UL by 2.9× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg (5000% DV)
76.9× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
100 mcg (1666% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
100 mcg (33% DV)
3.3× RDA — above typical dose 27 studies (A:0, B:11)
100 mg (1000% DV)
20.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
50 mg (5% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
100 mcg (142% DV)
1.8× RDA — within safe limits 173 studies (A:0, B:67)
0.25 mg (12% DV)
Within RDA (0.3× RDA) 37 studies (A:0, B:11)
8 mg (400% DV)
3.5× RDA — above typical dose (UL: 11 mg) 9 studies — no high-quality reviews
100 mcg (83% DV)
2.9× RDA — within safe limits 199 studies (A:1, B:55)
25 mcg (33% DV)
Within RDA (0.6× RDA) 3 studies — no high-quality reviews
Potassium
20 mg (1% DV)
100 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
100 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
46 mg
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
25 mg
Market median: 496.0mg (192 products) 20 studies — no high-quality reviews
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
25 mg
Market median: 500.0mg (19 products)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Hesperidin
5 mg
Chlorophyll
2 mg
Proprietary Herbal Base
10 mg

Other Ingredients

Vegetable Cellulose Magnesium Trisilicate Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Two capsules daily, preferably with meals.

Warnings & Precautions

Warning: Each serving contains over 10,000 I.U. Vitamin A (retinol). Large amounts of retinol are known to cause birth defects.

Formulation Notes

Iron-free

No salt, yeast, wheat, milk & egg products, sugar, starch, or preservatives.

Warning: Each serving contains over 10,000 I.U. Vitamin A (retinol). Large amounts of retinol are known to cause birth defects.

Additional Information

Also available in 180 count

GMP Quality Assured Earth Friendly

%Daily Value

PR 647

Metadata

Product Details

UPC / SKU7 68305 64760 2
DSLD Entry Date2017-11-20
Product TypeOther Combinations
FormCapsule
BrandHighland Laboratories
DSLD ID80253
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.