Best Vitamin K Supplements UK 2026: BetterYou K2 (MenaQ7) & Solgar K2 (MK-7)
Published on Monday, 26 January 2026
Vitamin K is a fat-soluble nutrient important for blood clotting, bone health and the activation of several proteins involved in calcium regulation. In the UK market for 2026, consumer demand has focused on Vitamin K2 as MK-7 because of its longer circulation time and better tissue distribution compared with K1. Shoppers prefer certified, third-party tested products, clear dosage information, and formats that fit modern lifestyles such as sprays, liquid drops and easy-to-swallow capsules. Sustainability and transparent sourcing matter for UK buyers, so vegan or fermentation-derived K2 (MenaQ7 and other menaquinone sources) and ethically packaged options have grown in popularity. Combined formulations, especially vitamin D plus K2, remain a common choice because of the complementary roles those nutrients play in bone and cardiovascular health. This page highlights the two top options in the UK for 2026 and explains what to look for when choosing a Vitamin K supplement.
Top Picks Summary
What the Research Says About Vitamin K
Scientific evidence supports Vitamin K's role in blood clotting and in helping activate proteins that bind calcium for healthy bones and blood vessels. Most recent research has focused on K2, particularly MK-7, which is absorbed well and stays active longer in the body. Clinical trials and observational studies suggest benefits for bone health markers and possible links to reduced arterial calcification, although results vary by study design and population. As with any supplement, benefits depend on dose, form, baseline nutrient status and individual health factors.
Physiological role: Vitamin K is required to activate proteins like prothrombin for normal blood clotting and osteocalcin for bone mineralization.
MK-7 advantage: MK-7 has a longer half-life than K1 and some short-chain K2 forms, allowing for stable blood levels with lower daily doses.
Bone health evidence: Randomized and observational studies have shown improved markers of bone metabolism and some reductions in fracture risk in certain groups, especially post-menopausal women.
Cardiovascular findings: Higher dietary or supplemental K2 has been associated in cohort studies with lower rates of arterial calcification, but causation is not firmly established and more trials are needed.
Safety and interactions: Vitamin K is generally safe at typical supplement doses, but it can interact with blood-thinning medications such as warfarin. Always consult a clinician before starting supplements if you take anticoagulants.
Quality matters: Look for products with clear dosing, third-party testing, and scientific backing for the specific K2 form used (for example, MenaQ7 is a well-studied MK-7 ingredient).
Frequently Asked Questions
Which Vitamin K2 supplement suits pill-avoiders better, BetterYou spray?
BetterYou Vitamin K2 Daily Oral Spray is a good fit for people who dislike swallowing tablets or capsules, because it’s an oral spray that delivers vitamin K2 (MK-7) via transbuccal/mucosal absorption. It’s rated 4.4.
How much MK-7 does Solgar Vitamin K2 100mcg provide?
Solgar Vitamin K2 100mcg provides 100 mcg of MK-7 per capsule, for daily support. It’s rated 4.7 and is typically sold in 60 capsules.
Is Nutri Advanced Vitamin K2 better value than Solgar?
The provided info doesn’t list prices for Nutri Advanced Vitamin K2 or Solgar Vitamin K2 100mcg, so there’s no factual basis to compare value. Nutri Advanced is rated 4.7 and delivers 100 mcg MK-7 per tablet.
What’s the key benefit of BetterYou Vitamin K2 oral spray?
BetterYou Vitamin K2 Daily Oral Spray’s key capability is easy daily dosing through an oral spray designed for people who dislike tablets, using mucosal absorption of MK-7. It’s rated 4.4.
Conclusion
Vitamin K supplements are a focused choice for UK consumers in 2026, with K2 (MK-7) products leading in popularity for convenience and bioavailability. We hope this guide helped you find a suitable option. If you want to refine results by dosage, vegan status, delivery format or user reviews, use the search or filters to narrow or expand your options. If you are on medication or managing a health condition, check with your healthcare professional before starting any new supplement.