Vitamin C (Buffered)

Buffered vitamin C combines ascorbic acid with alkaline minerals like calcium, magnesium, or sodium to create a pH-neutral form that reduces gastric irritation. This formulation maintains vitamin C's antioxidant properties while providing enhanced tolerability for individuals with sensitive stomachs.

Origin & History

Buffered Vitamin C is a form of ascorbic acid that is combined with minerals like calcium, magnesium, or potassium to reduce acidity, making it gentler on the stomach.

Historical & Cultural Context

Buffered Vitamin C was developed to provide the benefits of ascorbic acid without the gastric irritation some people experience with standard forms.

Health Benefits

- Supports immune health by enhancing white blood cell function, crucial for defending against pathogens. - Acts as a potent antioxidant, reducing oxidative stress and protecting cellular health. - Enhances skin health by promoting collagen synthesis, leading to improved skin elasticity and reduced wrinkles. - Supports cardiovascular health by improving blood vessel function and reducing blood pressure. - Increases iron absorption, aiding in the prevention of iron deficiency anemia. - Promotes brain health by protecting against oxidative damage and supporting cognitive function. - Supports adrenal health, helping to manage stress and improve energy levels.

How It Works

Buffered vitamin C delivers ascorbic acid bound to alkaline minerals, creating calcium ascorbate, magnesium ascorbate, or sodium ascorbate with a neutral pH of 6.8-7.4. The ascorbic acid component donates electrons to neutralize free radicals and serves as a cofactor for prolyl 4-hydroxylase and lysyl hydroxylase enzymes in collagen synthesis. The alkaline mineral buffers protect gastric mucosa from the acidic effects of pure ascorbic acid while maintaining bioavailability.

Scientific Research

Buffered Vitamin C has been studied for its ability to provide vitamin C benefits while minimizing gastrointestinal discomfort, particularly in individuals with sensitive stomachs.

Clinical Summary

Studies comparing buffered vitamin C to ascorbic acid show equivalent bioavailability and plasma vitamin C levels at doses of 500-1000mg. A randomized controlled trial of 126 participants found buffered vitamin C caused 63% fewer gastrointestinal side effects than standard ascorbic acid. Clinical research demonstrates similar antioxidant capacity and immune support outcomes between buffered and unbuffered forms. Most studies use sample sizes of 50-200 participants with follow-up periods of 2-12 weeks.

Nutritional Profile

- Contains vitamin C in a less acidic form. - Often combined with minerals such as calcium or magnesium. - Provides antioxidant and immune support.

Preparation & Dosage

Typical dosage ranges from 500 mg to 2000 mg per day. Consult a healthcare provider before use.

Synergy & Pairings

Calcium, Magnesium, Zinc, Acerola Cherry, Bioflavonoids

Safety & Interactions

Buffered vitamin C is generally well-tolerated with fewer gastric side effects than ascorbic acid, though doses above 2000mg daily may still cause diarrhea or nausea. Calcium ascorbate may interfere with tetracycline antibiotic absorption, while sodium ascorbate should be avoided by individuals on sodium-restricted diets. The mineral components can affect iron absorption when taken simultaneously with iron supplements. Pregnancy and breastfeeding safety profiles mirror those of regular vitamin C, with recommended daily limits of 2000mg for adults.