Buffered Vitamin C 1000 mg by Metabolic Maintenance

100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
25% of ingredients have research evidence

B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin C and citrus bioflavonoids have strong evidence for supporting immune function and antioxidant activity. Calcium and sodium are utilized here to buffer the acidity of the ascorbic acid. Research indicates these ingredients are generally safe for consumption at this dosage.

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

Label

Product Label

Open Full PDF View on NIH DSLD →

Details

Label Data

1 Capsule(s)

Serving Size

Servings

Other Combinations

Product Type

25%

Evidence Coverage

Ingredients

Supplement Facts — Evidence Check

Vitamin C

1000 mg (1111% DV)

Calcium

24 mg (2% DV)

Sodium

25 mg (1% DV)

Citrus Bioflavonoids

150 mg

Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Vegetarian Cellulose

Claims

Label Claims — Verification

Unverified Nutrient

Unverified All Other

Unverified Structure/Function

Info

Product Information

Directions for Use

Best consumed within 120 days after opening.

Directions: One (1) capsule daily with a meal, or as directed by a healthcare professional.

Warnings & Precautions

Keep tightly closed in a cool, dry place, out of the reach of children.

Formulation Notes

Moisture sensitive formula.

Egg free Gluten free Free of nuts Dairy free

Manufactured in a GMP Compliant Facility

Buffered Vitamin C with Bioflavonoids 1000 mg

Additional Information

Keep tightly closed in a cool, dry place, out of the reach of children.

Metadata

Product Details

UPC / SKU8 38287 00232 1

DSLD Entry Date2022-09-22

Product TypeOther Combinations

FormCapsule

BrandMetabolic Maintenance

DSLD ID273992

Data Updated2026-04-11

Research

Research Evidence

371

Research Sources

Avg Quality

148

Meta Analysis

Systematic Review

Rct

Clinical Trial

Regulatory Source

Cochrane Review

Narrative Review

Other

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

Vitamin C Ester Ascorbyl Palmitate

OL Olympian Labs · Capsule

Black Elderbarry with Liposomal Vitamin C & Zinc

SunVita Health · Capsule

View all Vitamin C products →

Vitamin C research Best Vitamin C All Vitamin C products More from Metabolic Maintenance 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.