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Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium

Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium

Regular price £42.44 GBP
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Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium

Regular price £42.44
Sale price £42.44 Regular price
Save % Sold out
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What Makes Opti D3 Plus Unique?

Opti D3 Plus is a physician-formulated food supplement that provides clinically relevant doses of key nutrients. Each capsule delivers 5000 IU of vitamin D3, alongside vitamin K1, vitamin K2 (as MenaQ7 PharmaPure MK-7), and magnesium malate (DiMagnesium Malate). MenaQ7 is a premium, patented form of vitamin K2 renowned for its superior bioavailability and sustained activity. The inclusion of DiMagnesium Malate supports energy production and muscle function. This supplement is gluten-free, soya-free, and dairy-free, and is third-party tested for purity and potency. It is manufactured in a GMP-certified facility in the USA, meeting rigorous quality standards.

Key Health Benefits of Opti D3 Plus

  • Bone Health: Vitamin D contributes to normal absorption of calcium and phosphorus, and normal blood calcium levels. Vitamin K contributes to normal bone health.*
  • Immune Support: Vitamin D contributes to normal immune system function.*
  • Muscle Function: Vitamin D and magnesium contribute to normal muscle function.*
  • Energy Metabolism: Magnesium contributes to normal energy metabolism and to the reduction of tiredness and fatigue.*
  • Psychological Function: Magnesium contributes to normal psychological function.*

*These statements have been authorised by the European Food Safety Authority (EFSA). This product is not intended to diagnose, treat, , or prevent any disease.

Why Take Vitamin D3 and K2 Together?

Vitamin D3 and K2 work as a powerful duo. Vitamin D3 helps your body absorb calcium from the diet. But absorption is only part of the story. Without vitamin K2, calcium may end up in soft tissues like arteries instead of bones. Vitamin K2 helps direct calcium to where it belongs — your bones and teeth. This synergy is essential for maintaining strong bones and a healthy cardiovascular system. Brain Basic Opti D3 Plus combines these two nutrients with added K1 and magnesium for comprehensive support.

Understanding the Synergy: How D3 and K2 Work Together

Vitamin D3 (cholecalciferol) supports the production of calcium-binding proteins in the gut, enhancing calcium absorption. Vitamin K2 (menaquinone), specifically the MK-7 form used in Opti D3 Plus (MenaQ7 PharmaPure), helps activate osteocalcin and matrix GLA protein (MGP). Osteocalcin binds calcium to the bone matrix, while MGP helps prevent calcium deposition in blood vessels. This coordinated action ensures calcium supports bone density without compromising arterial flexibility. The addition of vitamin K1 further contributes to normal blood clotting, and magnesium (as DiMagnesium Malate) assists in the activation of vitamin D and supports muscle and nerve function.

What to Look For in a D3 + K2 Supplement

When choosing a combined supplement, consider the dosage and form of each nutrient. For vitamin D3, 1000–5000 IU is common; Opti D3 Plus provides 5000 IU for those with higher needs. For K2, MK-7 is preferred due to its longer half-life in the body. Look for a supplement with at least 45–100 mcg of MK-7. Opti D3 Plus also includes K1 for additional support. Magnesium enhances vitamin D activation, so its inclusion is beneficial. Always choose products that are third-party tested and free from common allergens.

Frequently Asked Questions

Can I take Opti D3 Plus if I am on blood thinners? Vitamin K2 can interact with anticoagulants like warfarin. Consult your health care provider before uses.

What is the best time to take this supplement? Take with a meal containing fat to enhance absorption of fat-soluble vitamins D and K.

Is this product suitable for vegetarians? The source of vitamin D3 (lanolin) is not vegan, but the product is suitable for vegetarians. Check the label for details.

Recommended Dosage

As a food supplement, take one capsule daily with food, or as directed by a health care professional. Do not exceed the recommended dose. Store in a cool, dry place. Always read the label and follow directions for uses.

Worldwide Delivery

Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

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Supplement guide

Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium at UK Vitality Vitamins

What Makes Opti D3 Plus Unique?Opti D3 Plus is a physician-formulated food supplement that provides clinically relevant doses of key nutrients. Each capsule delivers 5000 IU of vitamin D3, alongside vitamin K1, vitami...

Category Supplements
Delivery area Worldwide
Checkout Secure checkout
Brand Brain Bean
Price £42.44
Availability In stock
Bone HealthDairy FreeFood SupplementGluten FreeImmune SupportMade in USAMagnesiumMenaQ7MK-7Opti D3 Plus

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium

Is Brain Basic Opti D3 Plus - Vitamin D3 5000 IU with K1, K2, and Magnesium available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.