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Basic Preventive 5 (Iron Free)

product on market Tablet or Pill Douglas Laboratories Safety: 98/100
98/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Folate: 666.5mg is 666.5× the Tolerable Upper Intake Level (1.0mg)
  • 72% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains essential vitamins A, C, D3, E, and K1, which support immune function, bone health, and antioxidant defenses. There is strong research evidence supporting the roles of these nutrients in maintaining general physiological health. 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: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)

Folate: 666.5mg is 666.5× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Basic Preventive 5 (Iron Free)
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Tablet(s)
Serving Size
60
Servings
Other Combinations
Product Type
72%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
3750 mcg (417% DV)
Vitamin C
600 mg (667% DV)
1.25 mcg (6% DV)
Within RDA (0.1× RDA) 608 studies (A:16, B:251)
134 mg (402% DV)
8.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
30 mcg (25% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
50 mg (4167% DV)
41.7× 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 (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)
666.5 mcg DFE (167% DV)
Exceeds UL by 666.5× (UL: 1.0 mg) 226 studies (A:10, B:105)
50 mcg (2083% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
150 mcg (500% DV)
5.0× RDA — above typical dose 27 studies (A:0, B:11)
200 mg (4000% DV)
40.0× RDA — above typical dose 2 studies — no high-quality reviews
75 mg (14% DV)
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
Calcium
250 mg (19% DV)
75 mcg (50% DV)
Within RDA (0.5× RDA) 245 studies (A:4, B:133)
250 mg (60% DV)
Within RDA (0.6× RDA) 316 studies (A:8, B:159)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
100 mcg (182% DV)
1.8× RDA — within safe limits 173 studies (A:0, B:67)
1 mg (111% DV)
1.1× RDA — within safe limits 37 studies (A:0, B:11)
10 mg (435% DV)
4.3× RDA — above typical dose (UL: 11 mg) 9 studies — no high-quality reviews
100 mcg (286% DV)
2.9× RDA — within safe limits 199 studies (A:1, B:55)
75 mcg (167% DV)
1.7× RDA — within safe limits 3 studies — no high-quality reviews
50 mg (1% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
25 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
20 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Hydroxypropyl Methylcellulose Stearic Acid Tablet Coating Vegetable Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, adults take 3 tablets daily with food or as directed by your health professional.

Warnings & Precautions

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product. Consult a health professional prior to use if you are taking blood thinners.

Keep out of the reach of children.

Use only if safety seal is intact.

Formulation Notes

Gluten-free, Non-GMO

Multivitamin/Mineral Formula

Daily wellness

Additional Information

Store in a cool, dry place.

Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

Scan to learn more about our manufacturing excellence

Metadata

Product Details

UPC / SKU3 10539 03849 9
DSLD Entry Date2021-02-25
Product TypeOther Combinations
FormTablet or Pill
BrandDouglas Laboratories
DSLD ID244598
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.