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C.V. Support Formula

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

This product looks safe

  • Niacin/Niacinamide: 90mg is 2.6× the Tolerable Upper Intake Level (35mg)
  • Folate: 1000mg is 1000.0× the Tolerable Upper Intake Level (1.0mg)
  • 60% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The formula contains essential vitamins A, C, D3, E, and thiamine, which are supported by strong evidence for maintaining immune function and antioxidant defense. These ingredients contribute to general cellular health and metabolic processes. However, the overall evidence coverage for this specific combination is limited.

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

Alerts

Safety Alerts

Niacin/Niacinamide: 90mg is 2.6× the Tolerable Upper Intake Level (35mg)

Folate: 1000mg is 1000.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for C.V. Support Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Tablet(s)
Serving Size
40
Servings
Other Combinations
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
4500 mcg (500% DV)
Vitamin C
750 mg (833% DV)
0.9 mcg (5% DV)
Within RDA (0.1× RDA) 608 studies (A:16, B:251)
100.5 mg (666% DV)
6.7× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
37.5 mg (3125% DV)
31.2× RDA — above typical dose 76 studies (A:0, B:33)
18.75 mg (1442% DV)
14.4× RDA — above typical dose 13 studies (A:0, B:1)
90 mg (563% DV)
Exceeds UL by 2.6× (UL: 35 mg) 196 studies (A:5, B:63)
18.75 mg (1103% DV)
14.4× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
1000 mcg DFE (250% DV)
Exceeds UL by 1000.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
75 mcg (3125% DV)
31.2× RDA — above typical dose 139 studies (A:1, B:44)
225 mcg (750% DV)
7.5× RDA — above typical dose 27 studies (A:0, B:11)
112.5 mg (2250% DV)
22.5× RDA — above typical dose 2 studies — no high-quality reviews
15 mg (3% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Calcium
225 mg (17% DV)
225 mg (54% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
15 mg (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
150 mcg (273% DV)
2.7× RDA — within safe limits 173 studies (A:0, B:67)
1.5 mg (167% DV)
1.7× RDA — within safe limits 37 studies (A:0, B:11)
11 mg (478% DV)
4.8× RDA — above typical dose (UL: 11 mg) 9 studies — no high-quality reviews
150 mcg (429% DV)
4.3× RDA — above typical dose 199 studies (A:1, B:55)
37.5 mcg (83% DV)
Within RDA (0.8× RDA) 3 studies — no high-quality reviews
Potassium
56.25 mg (1% DV)
C.V. Support Proprietary Blend
375 mg
210 mg
Market median: 2000.0mg (63 products)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
37.5 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
18.75 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
0.75 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Trace Mineral Complex
75 mcg
18.75 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)

Other Ingredients

Microcrystalline Cellulose Stearic Acid Hypromellose Glycerin Stearate Croscarmellose Sodium 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: 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.

Keep out of the reach of children.

Use only if safety seal is intact.

Contains: Soy

Formulation Notes

Gluten-free, non-GMO

Cardiovascular health

Krebs = Citrate, fumarate, malate, glutarate and succinate complex

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 out manufacturing excellence

Metadata

Product Details

UPC / SKU3 10539 97993 8
DSLD Entry Date2022-04-11
Product TypeOther Combinations
FormTablet or Pill
BrandDouglas Laboratories
DSLD ID261983
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.