Swiss BioEnergetics Vitamin D3 4000 IU - 365 Day Supply

A Full Year of High-Strength Vitamin D in One Bottle

Through British autumns and winters, sunlight is in short supply — and with it, the vitamin D your skin would otherwise make. Vitamin D contributes to the normal function of the immune system and the maintenance of normal bones. This high-strength formulation delivers 4000 IU per capsule, with a remarkable 365-capsule bottle that sees you through the whole year.

What's in it

• 4000 IU Vitamin D3 per capsule
• 365 capsules per bottle — a full 12-month supply at one per day
• A high-strength formulation — 4000 IU is the upper safe level recommended by the European Food Safety Authority
• Manufactured in the UK to GMP Code of Practice and ISO 9001

Why this formula is different

• A whole year in one bottle — one purchase, twelve months of consistency
• A meaningful 4000 IU strength for those who want more than a token dose
• Made in the UK under independently audited quality standards

Why people choose this supplement

• Vitamin D contributes to the normal function of the immune system
• Vitamin D contributes to the maintenance of normal bones and the maintenance of normal teeth
• Vitamin D contributes to the maintenance of normal muscle function
• Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus

Stay topped up from January to December — order your year's supply today.

Order Processing

• We get your orders ready within 1-2 working days, so excluding weekends and public holidays. 
• We prioritize the shipping of priority and expedited orders.
• Once your order is successfully placed, you'll find a confirmation email with all the details in your inbox. If you can't find it, it might be in your spam folder. 
• Please remember, once your package is on its way, we're unable to make any changes.
• Please take a moment to double-check the shipping address you've given us. We want your order to find its way to you without a hitch. If an error in the address prevents delivery, we'll refund your original order (excluding the shipping fee), and you can easily place your order again.

Please note: Sometimes, our shipping partners might experience delays that are out of our control. We truly appreciate your understanding and patience in such situations.