PRO
Millie Margetts
CrossFit Athlete
60 Servings | Vegan Vitamin D3 + K2
"Love it."
Supports Bone Health
High-dose Vitamin D3 helps calcium absorption, while K2 directs calcium to bones for stronger, healthier bones.
Supports Cardiovascular Health
Vitamin K2 activates matrix Gla protein, which inhibits vascular calcification.
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£14.99
EFECTIV® VITAMIN D3 & K2
EFECTIV Nutrition Vitamin D3 with K2 supports normal function of the immune system, muscle and healthy bones.
It's important to take D3 and K2 together as Vitamin D3 improves calcium absorption, while Vitamin K2 works to allocate where the calcium is used, which may support bone health.
Immune System Support
Calcium Metabolism
Cardiovascular Health
Muscle Function
Vitamin D3
4000 IU
Vitamin K2
180 mcg
Detailed Breakdown
| Nutrient | Per 1 Capsule |
|---|---|
| Vitamin D3 (from Lichen) | 4000 IU |
| Vitamin K2 (as MK7) | 180 mcg |
Ingredients
Vitamin D3 (Lichen), Vitamin K2 (MK7), HPMC (Hydroxypropyl methylcellulose) Capsule Shell
!
Allergen Advice
No known allergens. Manufactured in a facility that also handles Egg, Gluten, and Nuts.
✓
Vegan Friendly✓
GMP✓
Made in the UK1
Remove Lid
Take out 1 capsule
2
1 Capsule
Drink with a small glass of water
3
Replace Lid
Store in a cool, dark place
Water
Take capsule with a glass of water
Creatine
Stack with creatine for a performance boost
Recommended Timing
Pro Tip
The NHS recommends Vitamin D3 supplementation between the months of September and March.
Standard Delivery
2-3 Working Days - £1.99
Free over £20Express Delivery
Next Working Day
£2.9930-Day Money Back Guarantee
Train with confidence. If you don't feel the difference, return the unused portion for a full refund.
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Pay in 3 interest-free installments of £4.00. No fees.
EFECTIV® Vitamin D3 with K2 | 60 Servings | Immune Support
60 Servings / 60 Capsules
£11.99
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Proven by Performance
The Science Behind The Formula
By working with top manufacturers in the UK, we're able to source and use the highest quality ingredients and flavours, with all of our products meeting the highest UK food safety standards.
Science Backed Formula
Our products are formulated to work, using clinically studied dosages.
Maximum Effectiveness
No fillers, no guesswork, just clinically supported ingredients that deliver.
"Bioavailability is the key to effective sports nutrition."
m. bowering, expert formulator
The Efectiv Difference
Why athletes choose us over the competition.
EFECTIV
OTHER BRANDS
Multi Magnesium Complex
Yes
No
Transaprent Dosaging
Yes
No
Desgned For Athletes
Yes
No
Highly Bioavailable
Yes
No
Price per Serving
£0.16
£0.50
World Class Performance
Trusted by Champions.
50+ Athletes
+30
Bodybuilding
Lewis Barker
CrossFit
Brad Farnill
CrossFit
Reece Mitchell
CrossFit
Helen Nutter
crossfit•hyrox•bodybuilding•crossfit•hyrox•bodybuilding•
Transparent Label
Inside the Scoop.
We don't hide behind proprietary blends. Every ingredient is listed with its exact dosage so you know exactly what you're fueling your body with.
4000IU
Vitamin D3
Vegan Friendly Source
High-Dose
180mcg
Vitamin K2
Bioavailable MK7 Form
Calcium Distribution
Lab Verified
Certificate of Analysis
We believe in radical transparency. Every batch is tested by an independent ISO 17025 accredited laboratory for banned substances and protein content.
Open CertificateProduct
EFECTIV® Vitamin D3 with K2 | 60 Servings | Immune Support
Status
PASS
Heavy Metals
Not Detected
Microbiology
Pass
Protein Content
25.2g / 25g
RECOMMENDATIONS
Pairs Well With
NEW
BESTSELLER
Heart & Joint Health
✓
Cardiovascular Support
✓
Inflammation Reduction
£11.99
Real Results. Real People.
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Frequently Asked Questions
Yes, this product is suitable for vegetarians. However, it is not suitable for vegans as it contains dairy derived from milk.
All our products are manufactured in small batches to ensure freshness. You can expect at least 12 months shelf life from the date of purchase.
Our Whey Isolate is filtered to remove 99% of lactose, making it suitable for most people with mild to moderate lactose intolerance.
No. Every batch is Informed Sport certified, meaning it is rigorously tested for banned substances and safe for elite athletes.