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Ultra Preventive X

product on market Tablet or Pill Douglas Laboratories Safety: 88/100
88/100

This product is generally safe

  • Niacin/Niacinamide: 95mg is 2.7× the Tolerable Upper Intake Level (35mg)
  • Folate: 1333mg is 1333.0× the Tolerable Upper Intake Level (1.0mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 57% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, D3, and E, which are supported by strong evidence for maintaining immune function and antioxidant defense. These nutrients play essential roles in cellular protection and overall wellness. The evidence coverage for this specific combination is limited.

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: 1333mg is 1333.0× the Tolerable Upper Intake Level (1.0mg)

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Ultra Preventive X
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
4500 mcg (500% DV)
Vitamin C
500 mg (556% DV)
12.5 mcg (63% DV)
Within RDA (0.8× RDA) 608 studies (A:16, B:251)
25 mcg (125% DV)
1.7× RDA — within safe limits 608 studies (A:16, B:251)
67 mg (447% DV)
4.5× 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)
1333 mcg DFE (333% DV)
Exceeds UL by 1333.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
500 mcg (20833% DV)
208.3× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
50 mg (1000% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
137.5 mg (25% DV)
Within RDA (0.2× RDA) 38 studies (A:1, B:7)
Calcium
210 mg (16% DV)
200 mcg (133% DV)
1.3× RDA — within safe limits 245 studies (A:4, B:133)
210 mg (50% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
12.5 mg (114% DV)
1.1× RDA — within safe limits 263 studies (A:6, B:134)
200 mcg (364% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
1 mg (111% DV)
1.1× RDA — within safe limits 37 studies (A:0, B:11)
4.5 mg (196% DV)
2.0× RDA — within safe limits 9 studies — no high-quality reviews
200 mcg (571% DV)
5.7× RDA — above typical dose 199 studies (A:1, B:55)
100 mcg (222% DV)
2.2× RDA — within safe limits 3 studies — no high-quality reviews
Potassium
50 mg (1% DV)
N-Acetyl-L-Cysteine
75 mg
75 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)
50 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Papain
50 mg
25 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
12.5 mg
Market median: 500.0mg (19 products)
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
50 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
45 mcg
Within RDA (0.4× RDA) 275 studies (A:9, B:175)
Proprietary Organic Fruit and Vegetable Blend
350 mg
Organic Phytonutrient Blend
Carotenoids

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Cellulose Croscarmellose Sodium Ascorbyl Palmitate Silica Coating
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 4 tablets twice daily or as directed by your healthcare professional. This product is best taken with meals.

Warnings & Precautions

Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, consult your health professional before use.

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

Consult a health professional prior to use if you are taking blood thinners.

Take with food. If you have liver problems, consult your health professional before use.

Keep out of the reach of children.

Use only if safety seal is intact.

Formulation Notes

Gluten-free, Non-GMO

Signature multivitamin/mineral with fruits and vegetables for 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

Servings per container 60 30

Metadata

Product Details

UPC / SKU3 10539 97816 0
DSLD Entry Date2020-08-23
Product TypeOther Combinations
FormTablet or Pill
BrandDouglas Laboratories
DSLD ID233348
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011 PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016 PubMed DOI
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
View all evidence for Vitamin A →
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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.