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Buffered C Powder

Thorne

4.6
(661 ratings)
Magnesium 350 mg
Calcium 350 mg
Potassium 99 mg
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Score 92.0

Thorne Buffered C Powder is a premium supplement that delivers a substantial dose of Vitamin C in a buffered, well-tolerated form (ascorbates), along with beneficial amounts of essential minerals like magnesium, calcium, and potassium. Its high quality and synergistic ingredients support a wide range of health goals, particularly immune function, antioxidant protection, and bone/cardiovascular health.

Quantity: 8 Ounce(s)Servings size: 6 Gram(s) (42 servings)
Selected goals:
Other goals:
General Health
Energy
Stress Relief
Heart Health
Bone Health

Score 92.0

Thorne Buffered C Powder is a premium supplement that delivers a substantial dose of Vitamin C in a buffered, well-tolerated form (ascorbates), along with beneficial amounts of essential minerals like magnesium, calcium, and potassium. Its high quality and synergistic ingredients support a wide range of health goals, particularly immune function, antioxidant protection, and bone/cardiovascular health.

Analysis

This product stands out due to its comprehensive approach to Vitamin C supplementation. By providing Vitamin C as mineral ascorbates (calcium, magnesium, potassium), it significantly reduces the acidity often associated with plain ascorbic acid, making it gentler on the stomach, a common concern cited in online reviews for high-dose Vitamin C. Thorne is a brand widely respected by nutritionists and healthcare professionals for its purity and quality, which contributes to its higher price point but also its trustworthiness. The combination of Vitamin C with these key electrolytes and bone minerals enhances its utility for various health goals, going beyond just immune support.

Pros
  • Uses buffered forms of Vitamin C (ascorbates), which are gentler on sensitive stomachs and better tolerated at high doses.
  • Provides synergistic minerals (Calcium, Magnesium, Potassium) alongside Vitamin C, supporting multiple body systems.
  • Thorne is a highly reputable brand known for quality, purity, and rigorous testing, often recommended by health professionals.
  • High dose of Vitamin C (2.35 grams) is effective for acute needs or therapeutic purposes.
Cons
  • Higher price per serving compared to basic Vitamin C or individual mineral supplements.
  • The overall mineral quantities, while beneficial, might not be sufficient to address severe deficiencies if used as a sole source for those specific minerals.
  • Powder form requires mixing, which might be less convenient for some users than capsules.
Warnings
  • Individuals with kidney conditions or those on medications affecting potassium levels (e.g., ACE inhibitors) should consult a healthcare professional before taking potassium supplements.
  • High doses of Vitamin C can still cause osmotic diarrhea or gastrointestinal discomfort in some sensitive individuals, even in buffered forms.
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Effectiveness for goals

Dosage, timing & forms

Safety & interactions

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid) 2.35 Gram(s)
Calcium (Calcium Ascorbate, Ascorbic Acid) 350 mg
Magnesium (Magnesium Ascorbate) 350 mg
Potassium (Potassium Ascorbate) 99 mg
Gluten Free Adults 18–50
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Categories

Offers a good dose (350mg) of magnesium in the highly bioavailable ascorbate form, which is effective for most general supplementation needs and contributes to muscle, nerve, and cardiovascular health.
Provides a moderate dose (350mg) of calcium in the well-absorbed ascorbate form, which is beneficial for daily intake and bone health, but some individuals may need higher amounts or other forms if calcium deficiency is primary.
Contains 99mg of potassium, which is a standard supplementary dose due to regulatory limits on potassium in supplements. While beneficial, this amount is relatively small compared to dietary intake requirements but serves to provide a foundational level of this essential electrolyte.

Goals

This product offers comprehensive general health support through its high-dose antioxidant Vitamin C, which boosts immunity and protects against cellular damage, combined with essential electrolytes vital for numerous bodily functions. Its buffered nature also makes it highly accessible for consistent daily use.
Magnesium and Potassium are vital electrolytes for maintaining normal heart rhythm, blood pressure, and overall cardiovascular function. Vitamin C also contributes to arterial health by supporting collagen in blood vessel walls and acting as an antioxidant, reducing oxidative stress on the cardiovascular system.
Contains both Calcium and Magnesium, essential minerals for bone structure and density. Additionally, Vitamin C is crucial for collagen synthesis, which forms the organic matrix of bones, providing a comprehensive approach to bone support beyond just mineral deposition.
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(1551 ratings)
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