Home/ Supplements/ Vitamin C/ C-Plex Powder

C-Plex Powder

product on market Powder Douglas Laboratories Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 42% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin C and calcium are supported by strong evidence for maintaining immune function and bone health, respectively. The remaining ingredients provide minimal caloric value. Due to the low evidence coverage for this specific formulation, the overall clinical profile is limited.

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

Label

Product Label

Label for C-Plex Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

10 Gram(s)
Serving Size
24
Servings
Other Combinations
Product Type
42%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
28 {Calories}
Total Carbohydrates
7 g (2% DV)
Sugar
7 g
Vitamin C
1500 mg (2500% DV)
Calcium
100 mg (10% DV)
100 mg (25% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
3 mg (20% DV)
Within RDA (0.3× RDA) 263 studies (A:6, B:134)
20 mcg (29% DV)
Within RDA (0.4× RDA) 173 studies (A:0, B:67)
3 mg (150% DV)
1.3× RDA — within safe limits 9 studies — no high-quality reviews
25 mcg (21% DV)
Within RDA (0.7× RDA) 199 studies (A:1, B:55)
Potassium
30 mg (1% DV)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Fructose natural Orange flavor Citric Acid Carrageenan Silica
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Usage: Adults take 1 tablespoon twice daily. Stir briskly in 6 or more ounces of water or other suitable liquid, then drink immediately.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

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

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)

CPX

Metadata

Product Details

UPC / SKU7 45287 02024 1
DSLD Entry Date2012-08-24
Product TypeOther Combinations
FormPowder
BrandDouglas Laboratories
DSLD ID10808
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
Compare

Similar Products

Mega-Dose Vitamin C
DR.F · Powder
100
Ascorbic Acid (Vitamin C) Powder
TerraVita Premium Collection · Powder
100
Ascorbic Acid (Vitamin C) Powder
TerraVita Premium Collection · Powder
100
Ascorbic Acid (Vitamin C)
Hard Rhino · Powder
100
Ascorbic Acid (Vitamin C) Powder
TerraVita Premium Collection · Powder
100
View all Vitamin C products →
Vitamin C research Best Vitamin C All Vitamin C products More from Douglas Laboratories View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.