SKU: D3-K2

Supplements and Nutrition

High Strength Vitamin D3 and K2 – 3 month

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VeganVegetarianGluten Free


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High strength Vitamin D3 and K2 tablets – 5,000iu / 100µg.


3 months supply – one tablet per day.

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Vitamin D3 and K2 – 3 month Supply

Vitamin D3 and K2 – 90 capsules, 90 servings, 3 month supply

This product is designed to support levels of vitamins D3 and K2 when taken short term. This product contains 125µg (5,000i.u.) of vegan vitamin D3 (as cholecalciferol) and 100µg of vitamin K2 (MK-7)

This product is very highly dosed, as such please be aware if taking any other supplements containing vitamin D3. You can still take our multivitamin alongside this product.

When should I take vitamin D3 and k2 and how much?

Take one tablet once a day.

Why Combat Fuel vitamin D3 and k2?
  • Vitamin K2 works synergistically with vitamin D3. We need both in adequate amounts to ensure optimum biological activity of both vitamins. Therefore, if supplementing with vitamin D3, we need to also include sources of vitamin K2 in our diets, or take a supplement.
  • Those at particular risk of vitamin D deficiency are children (under 5 years), the elderly (65 years +), people who rarely get outdoors (lack of sunshine) and people with dark skin.
  • The source of the vitamin D3 in this supplement is Cholecalciferol.
  • Suitable for vegans and vegetarians.
  • Military Safe – Always!
Vitamin D contributes to:
  • The normal absorption and utilisation of calcium and phosphorus.
  • Normal blood calcium levels.
  • Maintenance of normal bones and teeth.
  • Maintenance of normal muscle function.
  • Normal function of the immune system.
Vitamin K contributes to:
  • Normal blood clotting
  • The maintenance of normal bones

Read more on macronutrients and micronutrients.

Vitamin D3 tests can be purchased through reputable companies such as medichecks HERE.

Please Note: This supplement contains 125µg (5,000iu) of vitamin D3 per tablet. If taking other supplements containing vitamin D please check your total daily intake and if it is 125µg (5,000iu) or more per day, for more than two to four months, you should have your vitamin D levels checked.

An adequate blood level is considered to be above 50 nmol/litre; the scientific literature suggests that a higher level of between 100 to 150 nmol/litre is optimal; levels above 250 nmol/litre are not advised.

This product is not categorised as herbal medicine, it is sold as a food supplement. The statement contained on the label does not imply that this product has any medicinal properties, use or efficacy. This product should not be used as a substitute for a varied and balanced diet. Store in a cool dry place and keep out of reach of children.

Best before end: See the base of the container.



Shipping Weight 0.3 kg


Per 1 Tablet Serving NRV*
Vitamin D3 (5,000iu) 125µg 2500%
Vitamin K2 (MK-7) 100µg 133%
*Nutrient Reference Value

INGREDIENTS: Vitamin D3 (Cholecalciferol), Vitamin K2 (Menaquinone MK-7). Bulking Agent (Microcrystalline Cellulose). Anti-Caking Agent (Magnesium Stearate, Silicon Dioxide).

ALLERGEN WARNING: Manufactured in a facility that may use nuts and also handles milk, egg and soya.

Delivery Information

Delivery Types

Standard delivery is expected within 1-2 working days. Please allow extra time for bank / public holidays.

Zone Condition Price
UK mainland £0.00–£99.99 £5.99
UK mainland (FREE DELIVERY) £100+ FREE
Ireland & Northern Ireland £9.00
Scottish Highlands and Islands £12.00
Delivery Updates

We will always keep you informed of your delivery process. Please check your delivery and product details before placing the order, as we will not be able to change any order details once the order is placed.


If you enter any incorrect details, including the delivery address, we will not be able to change it for you in time.

Orders are delivered by courier and may require a signature. If you request the parcel to be left in a safe place, it is done at your own risk, and Combat Fuel cannot be held responsible for any theft or damage to the parcel.

Usually, packages will try to be delivered/redelivered approximately three times (by courier) and if, after those attempts to deliver, it will be returned at a cost to us. If you then require this to be redelivered, we will have to pass this cost onto you.

Click & Collect

Please select click & collect as a delivery option to pick up your goods locally from Combat Fuel.

We will then email you when your goods are ready for collection.

Collection detail

11:00am – 3:00pm Weekdays

Combat Fuel
Unit 7A,
SP11 9FT

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