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Ultra Preventive III With Copper

product on market Tablet or Pill Douglas Laboratories Safety: 97/100
97/100

This product looks safe

  • Niacin/Niacinamide: 190mg is 5.4× the Tolerable Upper Intake Level (35mg)
  • Magnesium Complex: 500mg is 1.4× the Tolerable Upper Intake Level (350mg)
  • Manganese: 20mg is 1.8× the Tolerable Upper Intake Level (11mg)
  • 55% of ingredients have research evidence
F Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains essential vitamins A, C, D3, E, and thiamine, which are supported by strong evidence for maintaining immune function and cellular health. These nutrients act as antioxidants and cofactors for various metabolic processes. The ingredient profile maintains a high safety score, though evidence coverage for the specific blend is limited.

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

Alerts

Safety Alerts

Niacin/Niacinamide: 190mg is 5.4× the Tolerable Upper Intake Level (35mg)

Magnesium Complex: 500mg is 1.4× the Tolerable Upper Intake Level (350mg)

Manganese: 20mg is 1.8× the Tolerable Upper Intake Level (11mg)

Label

Product Label

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

Label Data

6 Tablet(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
55%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
25000 IU (500% DV)
Vitamin C
1200 mg (2000% DV)
100 IU (25% DV)
Within RDA (0.2× RDA) 608 studies (A:16, B:251)
400 IU (1333% DV)
17.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
100 mg (6667% DV)
83.3× RDA — above typical dose 76 studies (A:0, B:33)
50 mg (2941% DV)
38.5× RDA — above typical dose 13 studies (A:0, B:1)
190 mg (950% DV)
Exceeds UL by 5.4× (UL: 35 mg) 196 studies (A:5, B:63)
Vitamin B-6 Complex
100 mg (5000% DV)
800 mcg (200% DV)
2.0× RDA — within safe limits 226 studies (A:10, B:105)
100 mcg (1667% DV)
41.7× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
500 mg (5000% DV)
100.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
500 mg (50% DV)
200 mcg (133% DV)
1.3× RDA — within safe limits 245 studies (A:4, B:133)
500 mg (125% DV)
Exceeds UL by 1.4× (UL: 350 mg) 316 studies (A:8, B:159)
25 mg (167% DV)
2.3× RDA — within safe limits 263 studies (A:6, B:134)
200 mcg (286% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
20 mg (1000% DV)
Exceeds UL by 1.8× (UL: 11 mg) 9 studies — no high-quality reviews
200 mcg (167% DV)
5.7× RDA — above typical dose 199 studies (A:1, B:55)
100 mcg (133% DV)
2.2× RDA — within safe limits 3 studies — no high-quality reviews
Potassium
99 mg (2% DV)
60 mg
Within RDA (0.1× RDA) 38 studies (A:1, B:7)
100 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)
50 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
50 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
1.5 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Trace Elements
100 mcg
L-Cysteine/N-Acetyl L-Cysteine
200 mg
12.5 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
Glutamic Acid
20 mg
114 mg
Market median: 496.0mg (192 products) 20 studies — no high-quality reviews

Other Ingredients

Cellulose Vegetable Stearate Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

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

Warnings & Precautions

Tamper resistant package, do not use if outer seal is missing.

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

Ultra Preventive III With Copper

Additional Information

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formula #7454C

A Low Allergenicity

Metadata

Product Details

UPC / SKU3 10539 00246 9
DSLD Entry Date2012-06-01
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandDouglas Laboratories
DSLD ID8725
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.