Bio-C - Non-acidic Food Form Vitamin C

Standard vitamin C — ascorbic acid — is effective. It is also highly acidic. At doses above 500mg, a significant number of people experience stomach pain, acid reflux, nausea, or gut irritation. For those with sensitive stomachs, IBS, reflux, or who simply take vitamin C daily at meaningful doses, standard ascorbic acid creates a problem: the supplement that's supposed to support health actively causes discomfort. Bio-C solves this with food-form vitamin C from acerola cherry and rosehip — vitamin C as nature provides it, bound within a whole-food matrix that the body recognises and absorbs gently.

Why Food-Form Vitamin C Is Different

Ascorbic acid in isolation is the synthetic form of vitamin C — extracted, concentrated, and crystallised. It's identical to the vitamin C found in food at the molecular level, but stripped of the co-factors (bioflavonoids, polyphenols, enzymes) that naturally accompany vitamin C in whole foods and assist its absorption and utilisation. It's also highly acidic by nature, with a pH around 2.5 — similar to vinegar.

Acerola cherry is one of the richest whole-food sources of vitamin C in the world, providing vitamin C alongside naturally occurring bioflavonoids and antioxidant compounds in a matrix the gut handles more gently. Rosehip adds additional whole-food vitamin C alongside flavonoids and carotenoids. Research shows food-form vitamin C from whole-food sources is absorbed and retained effectively while producing significantly less gastrointestinal irritation than isolated ascorbic acid.

Why Competitors Fall Short

Standard ascorbic acid tablets (most brands) — acidic, synthetic, gut-irritating. Vitabiotics, Holland & Barrett, Healthspan — all use standard ascorbic acid. Fine for people with robust digestive systems. Problematic for anyone with reflux, sensitive digestion, or IBS who takes vitamin C daily.

Liposomal vitamin C — expensive, overkill for most people. Liposomal delivery maximises absorption but at significant cost. For people whose primary issue is stomach irritation rather than absorption efficiency, food-form vitamin C from acerola and rosehip is both effective and considerably more affordable.

Buffered vitamin C (sodium ascorbate) — less acidic but still synthetic. Sodium ascorbate is gentler than pure ascorbic acid by buffering the pH. Still synthetic. Bio-C is whole-food sourced — a different approach that provides the co-factors missing from all synthetic forms.

What's in Every Capsule

• Acerola cherry extract · one of the world's richest whole-food vitamin C sources · naturally occurring bioflavonoids · gentle on stomach
• Rosehip extract · whole-food vitamin C with flavonoids and carotenoids · traditional UK botanical for immune support
• Vitamin C — EU-authorised health claims:
  • Contributes to normal function of the immune system
  • Contributes to normal collagen formation for the function of skin, gums, cartilage and bones
  • Contributes to protection of cells from oxidative stress
  • Contributes to normal energy-yielding metabolism

60 capsules. Vegan. Halal approved. Kosher. Gluten-free.

Every capsule is:  ✓ Halal certified  ·  ✓ Kosher  ·  ✓ Vegan  ·  ✓ Gluten-free  ·  ✓ Non-acidic  ·  ✓ Whole-food sourced  ·  ✓ UK GMP made

Bio-C vs the Competition

Based on publicly available product information. Prices approximate. Always verify current specs on manufacturer websites.

How to Take It

Take 1–2 capsules daily with food and water. The food-form matrix means timing with meals is less critical than for synthetic ascorbic acid, but taking with food remains best practice for all fat-soluble co-factors. For comprehensive immune support, pair with ImmuneBoost — Bio-C provides the gentle daily vitamin C foundation while ImmuneBoost adds zinc, vitamin D, reishi and probiotics for the full immune complex.

Is This You?

• You experience stomach pain, reflux or nausea from standard vitamin C supplements
• You have IBS, gastritis, or acid reflux and need a gut-gentle vitamin C you can take daily
• You prefer whole-food sourced supplements over synthetic isolates
• You need a halal and kosher certified vitamin C — with vegan capsules throughout
• You want the bioflavonoids that naturally accompany vitamin C in food, not stripped synthetic ascorbic acid

Explore the full Immunity UK and Halal Vitamins UK collections.

Questions We Get Asked

Food supplements should not replace a varied diet or healthy lifestyle. Consult your GP before use if pregnant, breastfeeding, or managing a diagnosed health condition.