This vitamin D3 is cholecalciferol extracted from lichen, a symbiotic organism of algae and fungi. Unlike most market vitamin D3, made from lanolin (sheep’s wool fat), this plant source guarantees full compatibility with vegan and vegetarian diets. Cholecalciferol is the form closest to what skin naturally synthesises from sunlight, and studies show it’s about 70% more effective than vitamin D2 (ergocalciferol) at raising and maintaining optimal blood vitamin D levels.

Vitamin D3 contributes to normal immune function, the maintenance of normal bones and teeth, calcium and phosphorus absorption, and normal muscle function — all EFSA-recognised claims. With 2000 IU per capsule (50µg, 1000% NRV), this formula amply covers daily needs, including in winter or for those with little sun exposure.

Take 1 capsule a day with a glass of water, preferably with a meal. Thanks to micro-encapsulation, this vitamin D3 is water-dispersible and doesn’t require a fatty meal for absorption, unlike classic oil forms. A 60-capsule box covers 2 full months. A continuous course from October to April is often recommended.

Does not replace a varied, balanced diet or healthy lifestyle. Do not exceed the recommended daily dose. Pregnant or breastfeeding women should consult a healthcare professional before starting supplementation; children should only supplement under professional supervision. Store in a cool, dry place away from light and moisture, out of reach of children.

Each cholecalciferol molecule is wrapped in an organic acacia gum fibre matrix, forming a natural barrier against oxidation, moisture and light — ensuring dosage stability over time and making the vitamin water-dispersible, so it can be efficiently absorbed with or without dietary fat.

What’s the difference between D2 and D3?

D2 (ergocalciferol) is mainly plant-derived, while D3 (cholecalciferol) is the form naturally produced by human skin from sunlight; studies show D3 is about 70% more effective than D2 at raising and maintaining blood vitamin D levels. Lichen-sourced D3 combines this superiority with full vegan compatibility.

Can I combine vitamin D3 with vitamin K2?

Yes, frequently recommended by health professionals — D3 supports calcium absorption, while K2 helps direct that calcium to bones rather than arteries.

How long does a 60-capsule box last?

At one capsule a day, it covers 2 full months; for a classic October-to-April winter course, two boxes suffice.

Herba Barona is an independent specialist supplement shop in the heart of Paris — established in 2006. What you order is genuinely on our shelves: we ship from our own stock, with no dropshipping and no long waits.

Visit us at 10 rue Théophile Roussel, Paris 12 — or use Click & Collect and pick up your order in-store. We also deliver across France and Europe. Friendly, expert advice in English from our team.

Where is the shop?

Herba Barona is at 10 rue Théophile Roussel, 75012 Paris — a two-minute walk from Ledru-Rollin (line 8), close to Bastille. Open Tuesday to Saturday, 9:30 am–6:30 pm.

Can I order online or collect in store?

Yes. We ship across France and Europe under the same conditions as our French store, or choose Click & Collect to pick up your order for free at our Paris shop.