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Acid-Free / Ester-C

Acid-Free / Ester-C -  Advanced Vitamin C Technology for Gentle, Long-Lasting Support

Ester-C is a patented, non-acidic form of Vitamin C created through a unique water-based manufacturing process that produces calcium ascorbate—a pH-neutral compound that’s easy on the stomach. It also contains naturally occurring Vitamin C metabolites such as threonate, which enhance cellular uptake and retention in the body.

Why Choose Ester-C Over Regular Vitamin C?

Unlike standard ascorbic acid, Ester-C is designed to be gentler on the digestive system while providing longer-lasting immune support. Its improved bioavailability allows it to stay in white blood cells for up to 24 hours, offering extended antioxidant protection and more efficient delivery at the cellular level.

Shop High-Tech, Stomach-Friendly Vitamin C

At FitHealthy.eu, our Acid-Free / Ester-C range includes high-quality formulas backed by science and trusted by nutritionists. Whether you're looking for enhanced absorption, reduced acidity, or reliable immune support, our curated selection of Ester-C supplements delivers next-generation wellness without compromise. Ideal for daily use, even on sensitive stomachs.
Now Foods Ascorbyl Palmitate 500 mg Now Foods Ascorbyl Palmitate 500 mg 100 vcaps
€22.54
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Now Foods Vitamin C-1000 Complex Buffered Now Foods Vitamin C-1000 Complex Buffered 90 tab
€21.50
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Now Foods Vitamin C-500 Calcium Ascorbate-C Now Foods Vitamin C-500 Calcium Ascorbate-C 100 vcaps
€15.50
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Now Foods AlphaSorb-C 500 mg Now Foods AlphaSorb-C 500 mg 180 vcaps
€30.00
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Solgar Ester-C Plus 500 mg Vitamin C Solgar Ester-C Plus 500 mg Vitamin C 100 vcaps
€27.50
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Now Foods Vitamin C-1000 Complex Buffered Now Foods Vitamin C-1000 Complex Buffered 180 tab
€38.00
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Now Foods Vitamin C-500 Calcium Ascorbate-C Now Foods Vitamin C-500 Calcium Ascorbate-C 250 caps
€25.00
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Solgar Ester-C Plus 500 mg Vitamin C Solgar Ester-C Plus 500 mg Vitamin C 50 vcaps
€24.50
Out of stock
Solgar Ester-C Plus 1000 mg Vitamin C Solgar Ester-C Plus 1000 mg Vitamin C 30 tab
€18.23
Out of stock
Now Foods AlphaSorb-C 500 mg Now Foods AlphaSorb-C 500 mg 90 vcaps
€21.91
Out of stock
Solgar Ester-C Plus 1000 mg Vitamin C Solgar Ester-C Plus 1000 mg Vitamin C 90 tab
€32.76
Out of stock
Solgar Ester-C Plus 1000 mg Vitamin C Solgar Ester-C Plus 1000 mg Vitamin C 180 tab
€49.52
Out of stock
Natrol Easy-C  Esterfied Vitamin C 500 mg Natrol Easy-C Esterfied Vitamin C 500 mg 120 caps
€24.89
Out of stock
Solgar Ester-C Plus 1000 mg Vitamin C Solgar Ester-C Plus 1000 mg Vitamin C 60 tab
€27.36
Out of stock
Natrol Easy-C  Esterfied Vitamin C 500 mg Natrol Easy-C Esterfied Vitamin C 500 mg 240 caps
€34.61
Out of stock
Osavi Vitamin C 1000 with Rutin and Rose Hips Osavi Vitamin C 1000 with Rutin and Rose Hips 180 vcaps
€18.76
Out of stock
Natrol Easy-C  Esterfied Vitamin C 500 mg Natrol Easy-C Esterfied Vitamin C 500 mg 120 tab
€19.52
Out of stock
Osavi Vitamin C 1000 with Rutin and Rose Hips Osavi Vitamin C 1000 with Rutin and Rose Hips 120 vcaps
€15.27
Out of stock
Solgar Ester-C Plus Vitamin C 500 mg Solgar Ester-C Plus Vitamin C 500 mg 250 vcaps
€42.00
Out of stock