Buffered Ascorbic Acid Powder
Price
Retail
$39
Container
103 servings
Serving
2.2 Grams
Brand Quality
Why this score
Testing practices
- Lot Tested
- Third-Party Lab Tested
- Transparent Batch-Specific COAs
- ISO 17025 Lab
Testing coverage
- Identity
- Purity
- Potency
- Heavy Metals
- Raw Ingredient Testing
Certifications
- NSF Certified
Manufacturing standards
- cGMP Certified
- Made in USA
Innovation
- Clinically Studied Product
Active Ingredients
- 1220 mg
Vitamin C
Ingredient research · Vitamin C
Vitamin C is an essential water-soluble nutrient that supports collagen production, antioxidant defenses, and the normal function of immune cells. Supplementation reliably prevents or corrects deficiency, can improve absorption of plant-based iron, and may modestly shorten the duration of common colds when taken regularly.
- Supports lower common-cold risk during brief periods of severe physical exercise or cold stress.
- Supports circulating Vitamin C status across studied healthy and clinical populations.
- Supports short-term blood-pressure and endothelial-function outcomes in studied adults.
- Supports fasting-glucose and HbA1c outcomes in adults with type 2 diabetes.
Top References
- Vitamin C for preventing and treating the common cold.
- Effect of Dietary or Supplemental Vitamin C Intake on Vitamin C Levels in Patients with and without Cardiovascular Disease: A Systematic Review
- High-dose vitamin C supplementation increases skeletal muscle vitamin C concentration and SVCT2 transporter expression but does not alter redox status in healthy males.
- Effects of vitamin C supplementation on blood pressure: a meta-analysis of randomized controlled trials.
- Effect of vitamin C and vitamin E supplementation on endothelial function: a systematic review and meta-analysis of randomised controlled trials
- Effects of vitamin C supplementation on glycaemic control: a systematic review and meta-analysis of randomised controlled trials
- Effect of vitamin C on inflammation and metabolic markers in hypertensive and/or diabetic obese adults: a randomized controlled trial
- Supplementation of Vitamin C Reduces Blood Glucose and Improves Glycosylated Hemoglobin in Type 2 Diabetes Mellitus: A Randomized, Double-Blind Study
- 100 mg
Calcium
Ingredient research · Calcium
Calcium is an essential mineral that gives bones and teeth their structure and also enables muscle contraction and nerve signaling. Supplements are most useful for filling inadequate intake and, often alongside vitamin D, can help preserve bone mineral density and support fracture prevention in some higher-risk groups.
- Supports bone-mineral-density outcomes in studied healthy children and older women.
- 60 mg
Magnesium
Ingredient research · Magnesium
Magnesium is an essential mineral that enables normal muscle and nerve function, energy production, heart rhythm, and bone maintenance. Supplements can correct low magnesium status and, depending on the formulation, may also help with constipation, muscle cramps, or migraine prevention in some people.
- 20 mg
Potassium
Ingredient research · Potassium
Potassium is an essential electrolyte that helps regulate fluid balance, nerve signaling, and muscle contraction, including the heartbeat. Supplementation is most useful for preventing or correcting low potassium when intake is inadequate or losses are increased, while adequate potassium intake also contributes to healthy blood pressure.
- Supports blood-pressure control, particularly in adults with hypertension and higher sodium or lower potassium intake.
- Supports selected vascular-function responses after high-sodium meals in healthy adults.
Top References
- The effect of potassium supplementation on blood pressure in hypertensive subjects: A systematic review and meta-analysis.
- Effect of sodium and potassium supplementation on vascular and endothelial function: a randomized controlled trial.
- Postprandial effects of potassium supplementation on vascular function and blood pressure: a randomised cross-over study.
Ranking
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