
Important
Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Keep out of reach of young children.
Supplement facts
| Ingredients | per capsule | % NRV* |
|---|---|---|
| Vitamin D3 (cholecalciferol) | 1,000 IU | 500 % |
| Magnesium (magnesium glycinate) | 400 mg | |
| of which elemental magnesium | 60 mg | 16 % |
Other ingredient: plant-based microcrystalline cellulose. *NRV: reference intake of an average adult (8400 kJ/2000 kcal)
How to take
Take 1–2 capsules a day with food and water. Do not exceed the recommended intake. Store in a cool, dry place. Keep out of reach of young children. Do not use if the seal is broken.
Free from sugar, gluten, yeast, lactose, dairy and GMOs. Made in the UK in a facility certified to ISO 22000, HACCP and GMP. Halal certified.
| Supplement Details | |
| Total Capsules | 100 |
| Serving Size | 1–2 capsules a day |
| Gluten Free | Yes |
| Lactose Free | Yes |
| Country of Origin | United Kingdom |
What Amazon customers say
4.4 out of 5 from 103 ratings on Amazon UK
“I tried many brands, but this works for me best.…”
Verified purchase on Amazon Reviewed on Amazon UK, 29 November 2025
“These really work and I feel refreshed and rested after restful night sleep.”
Verified purchase on Amazon Reviewed on Amazon UK, 26 May 2025
Read all reviews on AmazonShort extracts from reviews on Amazon UK, checked 27 October 2026.
Magnesium Glycinate + D3 Essential Cofactors Complex Premium Quality Natural Product
- Brand: Best Immune International
- Product Code: BISUP-2
- Reward Points: 100
- Availability: In Stock
-
£6.97
100 capsules: 50 to 100 days at 1–2 a day, 7p to 14p a day
- Price in reward points: 1000
-
- 7 or more £6.77
- 10 or more £6.47
- Delivery £2.99 in the UK, from £1.69 to the EU, however many bottles
- Secure checkout: card, Apple Pay, Google Pay or PayPal
- Family-run in Dorset, UK












