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Ultra Preventive III with Copper

product on market Capsule Douglas Laboratories Safety: 98/100
98/100

This product looks safe

  • Niacin/Niacinamide: 95mg is 2.7× the Tolerable Upper Intake Level (35mg)
  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 61% 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, and E, alongside thiamine, which are supported by strong evidence for maintaining immune function and cellular health. These nutrients act as antioxidants and cofactors in various metabolic processes. 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/Niacinamide: 95mg is 2.7× the Tolerable Upper Intake Level (35mg)

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

Label

Product Label

Label for Ultra Preventive III with Copper
Open Full PDF View on NIH DSLD →
Details

Label Data

6 Vegetarian Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
61%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
3750 mcg (417% DV)
Vitamin C
600 mg (667% DV)
12.5 mcg (63% DV)
Within RDA (0.8× RDA) 608 studies (A:16, B:251)
134 mg (893% DV)
8.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
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)
95 mg (594% DV)
Exceeds UL by 2.7× (UL: 35 mg) 196 studies (A:5, B:63)
50 mg (2941% DV)
38.5× 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)
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)
250 mg (5000% DV)
50.0× RDA — above typical dose 2 studies — no high-quality reviews
30 mg (5% DV)
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
Calcium
250 mg (19% DV)
100 mcg (67% DV)
Within RDA (0.7× RDA) 245 studies (A:4, B:133)
250 mg (60% DV)
Within RDA (0.6× RDA) 316 studies (A:8, B:159)
12.5 mg (114% DV)
1.1× RDA — within safe limits 263 studies (A:6, B:134)
100 mcg (182% DV)
1.8× 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)
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)
50 mcg (111% DV)
1.1× RDA — within safe limits 3 studies — no high-quality reviews
49.5 mg (1% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
L-Cysteine HCl/N-Acetyl-L-Cysteine
100 mg
57 mg
Market median: 496.0mg (192 products) 20 studies — no high-quality reviews
50 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
25 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Glutamic Acid
10 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
0.75 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
25 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
Trace Mineral Complex
10 mcg

Other Ingredients

Hydroxypropyl Methylcellulose Microcrystalline Cellulose Hydroxypropyl Cellulose Vegetable Stearate Stearic Acid Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: As a dietary supplement, adults take 6 capsules daily or as directed by your healthcare professional. This product is best taken with meals.

Warnings & Precautions

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.

Discontinue immediately if a burning sensation occurs. Not recommended for people with ulcers.

Keep out of the reach of children.

Use only if safety seal is intact.

Formulation Notes

Gluten-free, Non-GMO

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 about our manufacturing excellence

Metadata

Product Details

UPC / SKU3 10539 03516 0
DSLD Entry Date2020-08-23
Product TypeOther Combinations
FormCapsule
BrandDouglas Laboratories
DSLD ID232912
Data Updated2026-04-11
Research

Research Evidence

42
Research Sources
53
Avg Quality
20
Meta Analysis
10
Systematic Review
9
Rct
1
Observational
1
Regulatory Source
B Trace Elements and Risk of Immune-Mediated Skin Disease: A Systematic Review and Meta-analysis
Meta Analysis Nutrition reviews 2025 PubMed DOI
B Blood Trace Element Status in Multiple Sclerosis: a Systematic Review and Meta-analysis
Meta Analysis Biological trace element research 2022 PubMed DOI
B Micronutrient deficiency risk in long-term enterally fed patients: A systematic review
Systematic Review Clinical nutrition ESPEN 2022 PubMed DOI
B Essential Trace Element Status in Systemic Lupus Erythematosus: a Meta-analysis Based on Case-Control Studies
Meta Analysis Biological trace element research 2023 PubMed DOI
B Association between serum copper/zinc ratio and lung cancer: A systematic review with meta-analysis
Meta Analysis Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) 2022 PubMed DOI
B Vacuolated Marrow Cytopenias from Copper Deficiency to UBA1-Mutant VEXAS: Molecular Landscape, Systematic Review, and Cost-Efficient Diagnostic Algorithm
Systematic Review International journal of molecular sciences 2025 PubMed DOI
B Parenteral trace element provision: recent clinical research and practical conclusions
Systematic Review European journal of clinical nutrition 2016 PubMed DOI
B Copper Deficiency: A Frequently Overlooked Complication After MBS-A Systematic Review and Meta-analysis
Meta Analysis Obesity surgery 2025 PubMed DOI
B Copper in colorectal cancer patients: a systematic review and meta-analysis
Meta Analysis Carcinogenesis 2025 PubMed DOI
B Zinc deficiency and zinc/copper ratio imbalance in autism spectrum disorder: a reanalysis of six multinational studies
Meta Analysis Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine 2026 PubMed DOI
View all evidence for Copper →
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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.