$29.80 $0.11 per serving
Product analysis
Meta-C 1000 mg Tablets offers economical vitamin C for normal immune function and collagen formation when intake is low. Regular vitamin C use may modestly shorten colds, with no established extra benefit from the branded preparation.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality40
The ingredients are identified under the Meta-C preparation, but their form quality cannot be assessed confidently. The branded description alone does not establish a quality advantage.
Ingredient Transparency100
Amounts and preparation names are stated, helping with basic comparisons. Differing vitamin C declarations should not be added into a new total.
Value For Money70
Vitamin C is inexpensive for the amount supplied. Value for calcium and algae remains uncertain, so vitamin C provides the clearest reason to buy on cost.
Customer Satisfaction80
Customer feedback is very positive across several hundred ratings. Satisfaction does not establish additional benefits from the branded preparation.
Product Focus74
Vitamin C nutrition provides the main purpose, with a possible modest effect on cold duration during regular use. Broader skin, eye and inflammation findings do not establish extra benefits for everyone.
- Format
Tablet - Container
- 250 Tablet(s)
- Per serving
- $0.11
- Customer rating
- 4.9 · 391 ratings
Goals
Impact
High effect
Vitamin C · 112 mg
Impact
High effect
Vitamin C · 112 mg
Impact
Highest effect
Vitamin C · 112 mg
Impact
High effect
Vitamin C · 112 mg
Impact
High effect
Vitamin C · 112 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Meta-C) | 1000 mg | |
Calcium (Meta-C) | 128 mg | |
Biologically Active Metabolites and Dehydroascorbic Acid (Meta-C) | 112 mg | |
Spirulina (Meta-C) | 310 mg |
Vitamin C (Meta-C) · 1000 mg OverallScore84
It provides 1,000 mg of vitamin C per serving at a low cost per gram. It includes calcium ascorbate, but another vitamin C source is unknown.
How this ingredient is rated
Active Ingredient Quality & Bioavailability77
It includes calcium ascorbate, but another vitamin C source is unknown. Calcium ascorbate is buffered, but the other source is unknown.
Vitamin C Chemical Form & Delivery System
It includes calcium ascorbate, but another vitamin C source is unknown.
Gastric Comfort & pH Balance
Calcium ascorbate is buffered, but the other source is unknown.
Dose, Safety & Label Transparency83
The serving provides 1,000 mg of vitamin C. Standard excipients are present.
Optimal Dosage Targeting
Each serving provides 1,000 mg of vitamin C.
Purity & Excipient Quality
The other-ingredient panel includes standard excipients.
Mineral & Source Transparency
The vitamin C and calcium amounts are stated, but one vitamin C source is unknown.
Value100
The cost per gram of vitamin C is low.
Price per Gram of Vitamin C
The cost per gram of vitamin C is low.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
- Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
- Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
- Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
- Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
- Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
- Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
- Nutritional modulation of cataract.
- Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
- Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
- Antiviral potential of spirulina in individuals with human immunodeficiency virus or Hepatis C virus infections: A systematic review and meta-analysis
- Enhancement of natural killer cell activity in healthy subjects by Immulina®, a Spirulina extract enriched for Braun-type lipoproteins
- A randomized double-blind, placebo-controlled study to establish the effects of spirulina in elderly Koreans
- Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
- Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
- Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
- New evidence for antioxidant properties of vitamin C.
- Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
- Combined high-intensity interval training and spirulina supplementation synergistically improve inflammatory and lipid-associated biomarkers in men with obesity.
- Effects of spirulina (Arthrospira) platensis supplementation on inflammation, physical and mental quality of life, and anthropometric measures in patients with relapsing-remitting multiple sclerosis (RRMS): a triple-blinded, randomized, placebo-controlled trial