Vitamin D Supreme 5000 IU with K2 MK-4 - Bone & Immune Support

In this review the focus is on a high-potency D3 formula aimed at adults who want to support bone density, cardiovascular health and immune balance. The reviewer found the product notable for combining clinically relevant vitamin D3 with an unusually large dose of vitamin K, plus geranylgeraniol (GG) to address age-related declines in bone and cellular support. For anyone already tracking serum vitamin D or seeking a targeted D3 plus K regimen, this capsule-style supplement offers a concentrated option without large pills.

Key Features

• High dose D3: Provides 5000 IU of vitamin D3 per small capsule to help elevate and maintain serum vitamin D for bone and immune function.
• Significant vitamin K content: Supplies 2000 mcg combined vitamin K1 and K2 to support proper calcium utilization and cardiovascular health alongside increased vitamin D intake.
• MK-4 form of K2: Uses vitamin K2 in the MK-4 form, a biologically active variant that complements D3 for bone and vascular benefits.
• Includes geranylgeraniol (GG): Adds GG, a compound that declines with age, to support healthy aging, bone maintenance and cellular processes related to vitamin K status.
• Small, easy-swallow capsule: The capsules are described as compact and easy to swallow, which helps routine adherence compared with larger softgels.

Who It's For

This product is for adults who want a concentrated vitamin D3 supplement with robust vitamin K support, especially those monitoring serum D levels or concerned about bone and cardiovascular support. It suits people who prefer a capsule form that is easy to swallow and who value clinically relevant ingredient amounts over low-dose maintenance supplements.

People who should look elsewhere include those who need very low daily vitamin D doses, people taking anticoagulant medication without clinician approval, or anyone seeking a multi-nutrient general daily vitamin rather than a targeted D3 plus K complex.

Pros & Cons

Pros

• Concentrated 5000 IU vitamin D3 provides a clear option for raising serum levels when higher dosing is appropriate.
• Large combined 2000 mcg vitamin K1 and K2 supports calcium distribution and cardiovascular health alongside D3.
• Includes geranylgeraniol (GG) for an added bone and healthy aging support mechanism.
• Small, easy-swallow capsules improve daily compliance compared with large pills.

Cons

• High vitamin K content may not be appropriate for people on blood-thinning therapy without medical guidance.
• Not formulated as a broad-spectrum multivitamin, so additional supplements may be needed for full daily nutrition.

Specifications

Product type	Vitamin D3 with Vitamin K (capsules)
Vitamin D per capsule	5000 IU
Vitamin K total	2000 mcg (K1 and K2)
Vitamin K2 form	MK-4
Additional ingredient	Geranylgeraniol (GG)
Count	60 capsules
Target uses	Bone health, immune support, cardiovascular support

Our Verdict

This concentrated vitamin D3 plus K product is a sensible choice for adults seeking targeted bone and immune support with an emphasis on vitamin K status and healthy aging. The inclusion of MK-4 and geranylgeraniol makes it stand out for users who want purposeful formulations rather than low-dose maintenance supplements, though anyone on anticoagulants should consult their clinician before use.

Frequently Asked Questions

Is this safe with blood thinners?
Because it supplies substantial vitamin K, discuss use with your clinician if you take anticoagulant medication.

How many capsules per day?
Follow the product label or practitioner guidance; the formula is a 5000 IU D3 dose per capsule intended as a higher-dose option.

Who benefits most?
Adults who need to raise or maintain higher serum vitamin D and want vitamin K2 MK-4 and GG for bone and cardiovascular support benefit most.