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Content: 200 Tablets (€0.05* / 1 Tablets)
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Content: 300 g (€5.00* / 100 g)
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Content: 90 Capsules (€0.13* / 1 Capsules)
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Content: 180 Softgels (€0.16* / 1 Softgels)
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Content: 90 Softgels (€0.20* / 1 Softgels)
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Content: 30 Capsules (€0.40* / 1 Capsules)
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Content: 90 Softgels (€0.12* / 1 Softgels)
Average rating of 4.8 out of 5 stars
Content: 90 Tablets (€0.09* / 1 Tablets)
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Content: 90 Tablets (€0.13* / 1 Tablets)
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Content: 90 Tablets (€0.07* / 1 Tablets)
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Content: 60 Capsules (€0.17* / 1 Capsules)
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Content: 100 Tablets (€0.12* / 1 Tablets)
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Content: 120 Capsules (€0.11* / 1 Capsules)
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Content: 90 Tablets (€0.17* / 1 Tablets)
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Content: 60 Capsules (€0.17* / 1 Capsules)
Vitamin K2 supplements are designed for shoppers looking to add menaquinone to a considered nutrition routine, particularly where bone support and vitamin K intake are part of their wider wellbeing goals. This category helps you compare OstroVit vitamin K2 products by form, menaquinone type and formula, rather than treating every vitamin K supplement as interchangeable. It may suit adults reviewing their intake of fat-soluble vitamins, those already using vitamin D, or anyone who wants a straightforward way to compare K2 options within a focused OstroVit range.
Vitamin K2 belongs to the wider vitamin K family but is distinct from vitamin K1, which is commonly associated with green leafy vegetables. K2 refers to menaquinones, with MK-4 and MK-7 among the forms most often discussed in supplements. Vitamin K contributes to the maintenance of normal bones and normal blood clotting, making it important to consider both the intended use and your personal circumstances when choosing a product.
Compare MK-4 and MK-7
The form of K2 is one of the most useful points of comparison. MK-4 is a naturally occurring menaquinone found in some animal-derived foods, while MK-7 is associated with fermented foods such as natto. These forms differ in their chemical structure and how long they remain available in the body, so a product containing MK-7 may be preferred by shoppers looking for a convenient once-daily format. Always follow the directions provided for the individual product rather than assuming that all K2 supplements are used in the same way.
Choose the format that fits your routine
Vitamin K2 may be supplied in capsules, tablets or liquid drops, depending on the product. Capsules and tablets can be convenient for a regular supplement schedule, while drops may appeal to those who prefer a liquid format or find swallowing tablets difficult. Check the serving information, amount of vitamin K2 per serving and number of servings before buying. The most suitable option is usually the one that is clear on the label and easy for you to use consistently.
Consider combination formulas
Some vitamin K2 products are presented on their own, while others may be combined with vitamin D or other nutrients. A combined formula can be useful if it matches your existing routine, but it is worth checking the full ingredient list to avoid unnecessarily duplicating vitamins already included elsewhere in your supplements. If you are specifically comparing K2 products alongside vitamin D, review both nutrients and their stated amounts rather than focusing on the combination name alone.
Important considerations before use
Vitamin K is fat-soluble, so product directions should be followed carefully and supplements should not be treated as a replacement for a varied, balanced diet. Anyone taking warfarin or another vitamin K antagonist should speak with a GP or pharmacist before using a vitamin K2 supplement, as changes in vitamin K intake can affect anticoagulant treatment. If you are pregnant, breastfeeding, managing a medical condition or taking prescribed medicines, seek professional advice before adding a new supplement.
Which vitamin K2 should you choose?
Start by deciding whether you prefer MK-4 or MK-7, then compare the format, serving information, additional ingredients and suitability for your current routine. Explore the OstroVit Vitamin K2 range at OstroVitNutrition.ie to find the option that best matches your preferences and supplement plan.