Vitamin C
VitaminsKey Benefits
How It Works
Ascorbic acid is a potent water-soluble antioxidant that donates electrons to neutralise free radicals. It's essential for collagen hydroxylation, carnitine biosynthesis, and neurotransmitter production. It also regenerates other antioxidants like vitamin E.
Dosage & Timing
Recommended Dosage
500-2,000 mg daily in divided doses
Best Time to Take
Split doses throughout the day with meals
Recommended Form
Liposomal for better absorption, or buffered ascorbate
Side Effects
High doses may cause GI distress, diarrhoea, and increase kidney stone risk in susceptible individuals.
Drug Interactions
May interact with chemotherapy drugs, blood thinners, and aluminium-containing antacids. Enhances iron absorption.
What Does The Research Say?
Well-established for preventing scurvy and supporting immune function. Evidence for reducing cold duration (not prevention) in regular supplementation. High-dose IV vitamin C being researched for cancer adjunct therapy.
Where to Buy
Buy Vitamin C on Amazon
Compare prices and read reviews →
Pair Supplements With Smart Training
RYVVA tracks your workouts, nutrition, and recovery — so your supplements fuel real progress.
Try RYVVA Free →Testosterone Support From Voy
UK-based TRT and hormone optimisation. Clinician-led, delivered to your door. Blood tests, prescriptions, and ongoing monitoring.
Learn More at Voy →Try Space Goods
Nootropic mushroom blends for focus, energy, and calm. Lion\'s Mane, Cordyceps, Ashwagandha in one daily drink.
Shop Space Goods →LA Muscle Supplements
Premium sports nutrition — protein, pre-workout, testosterone boosters, and fat burners. UK-made.
Shop LA Muscle →Healthy Meals Delivered
Chef-prepared, macro-balanced meals delivered to your door. Perfect for hitting your nutrition goals.
Try Simmer Eats →Horace — Men's Skincare
Premium French skincare for men. Natural ingredients, no fuss. Cleansers, moisturisers, and grooming essentials.
Shop Horace →Vitality Health Insurance
Rewards you for being healthy. Gym discounts, Apple Watch deals, and wellness perks with your health cover.
Get a Vitality quote →Huel — Complete Nutrition
Nutritionally complete meals, shakes, and bars. 26 vitamins and minerals in every serving.
Try Huel →This information is for educational purposes only and does not constitute medical advice. Researched by the editorial team at NexoraOS, supplement user since 2018. Always consult a qualified healthcare professional before starting any supplement. Individual results may vary. Amazon links are affiliate links.