AlphaVita Labs
Vitamin D3 5000 IU – Immune & Hormonal Support
Vitamin D3 5000 IU – Immune & Hormonal Support
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Vitamin D3 5000 IU – Immune & Hormonal Support
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60 Vegan Capsules · 5000 IU Cholecalciferol · High Absorption · GMP-Certified
AlphaVita Labs Vitamin D3 5000 IU delivers a high-strength therapeutic dose of cholecalciferol (Vitamin D3), the most bioavailable form of Vitamin D. At 5000 IU per capsule, this is designed for people with confirmed deficiency, limited sun exposure, or those wanting optimal rather than baseline D3 levels.
Why Vitamin D3?
Vitamin D deficiency affects an estimated 1 in 5 adults in the UK. Unlike Vitamin D2, cholecalciferol (D3) is the form produced by your skin in sunlight and is significantly more effective at raising and maintaining serum 25(OH)D levels. Vitamin D3 functions as a steroid hormone, regulating over 200 genes involved in immune function, bone mineralisation, muscle strength, and hormonal balance.
Key Benefits
- Immune system support, regulates innate and adaptive immune responses
- Bone health, essential for calcium absorption and bone mineralisation
- Hormonal balance, supports testosterone production and thyroid function
- Mood and mental health, low D3 is strongly linked to seasonal depression and low mood
- Muscle strength, supports neuromuscular function and reduces fall risk
- Cardiovascular health, associated with healthy blood pressure regulation
Why AlphaVita Labs?
- ✓ 5000 IU cholecalciferol, therapeutic dose for real correction of deficiency
- ✓ High absorption formulation, oil-based fill for optimal bioavailability
- ✓ GMP-certified manufacturing
- ✓ Third-party tested for purity and potency
- ✓ 100% vegan capsules
How to Take
Take 1 capsule daily with a meal containing fat, Vitamin D3 is fat-soluble. Morning or lunchtime recommended. If in doubt about appropriate dosing, consult your GP and request a serum 25(OH)D blood test.
Free UK delivery. 60 capsules = 2 month supply at 1 capsule/day.
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- 4 stars: 1 (20%)
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GP recommended I supplement D3. Most pharmacy brands are underdosed. This 5000 IU dose has made a real difference to my energy and mood over winter. Highly recommend.
Good quality product. Clean formula, no fillers. I take with K2 (separately) and it works well. 60 caps for the price is good value. Will reorder.
5000 IU for this price is excellent. I was paying more for 2000 IU from another brand. Capsules are easy to take with breakfast. Mood and energy both better since starting.
Had a D3 level of 28 nmol/L (deficient). After 8 weeks on this supplement retested at 74 nmol/L. Exactly what I needed. Would recommend to anyone in the UK especially in winter.
Most D3 supplements are 400-1000 IU which is basically a joke for anyone with a real deficiency. 5000 IU actually moves your blood levels. Good quality cholecalciferol, clean caps.