Best Vitamin D Supplements 2025
Our team of nutrition experts has reviewed vitamin D supplements from various brands, including BetterYou, Boots, Holland & Barrett, and Vitabiotics, to find the best options.
A public health nutritionist with over 20 years of experience at Which? and the NHS has led the review, providing evidence-based insights on food and nutrition.
We analyzed 30 popular vitamin D supplements, including tablets, capsules, sprays, drops, and gummies, to identify the most readily absorbed options with the fewest unwanted extras.
Our independent review reveals the products you can trust to give you the best value and quality.
- We independently lab test our recommended products to ensure they meet the label claims.
Author's summary: Expert review of top vitamin D supplements.