Best Capsule Vitamin K1 Supplements in 2026

Upgrade Your Vitamin D K - Each small easy-swallow capsule features clinically relevant amounts of bioavailable vitamin d3 (5000 IU), combined with 2000 mcg of vitamin K1 and K2. GG is also included as a complementary immune supportive compound.* (Note: This product has been reformulated to include more vitamin K and GG).

Featuring a Superior K2 Form - This vitamin k1 k2 supplement features vitamin k2 mk-4, a premium form of vit k. Vitamins D and K work synergistically, thus, increasing vitamin D increases the need for vitamin K.

Why Add GG to Vitamin D? Geranylgeraniol is a compound produced naturally in the body that declined with age. It is included in this vitamin d complex to help promote optimal health, maintain proper immune system balance and vitamin K status.

10,000 IU Vitamin D3 - Our highest potency vitamin D product, providing a clinically relevant serving of 10,000 IU (250 mcg) of vitamin D in a highly absorbable form.

Vitamins K1, K2 (as MK-4) & geranylgeraniol (GG) - Included to support bone, immune, and cardiovascular health.* Research suggests that combined supplementation of both vitamins D and K may be more supportive than either vitamin alone for both bone and cardiovascular health.*

Designed for Improved Absorption - This product uses the Designs for Health Evail technology that combines quillaja extract with medium-chain triglycerides (MCT) for improved nutrient bioavailability.*

Upgrade Your Vitamin D K - Each small easy-swallow capsule features clinically relevant amounts of bioavailable vitamin d3 (5000 IU), combined with 2000 mcg of vitamin K1 and K2. GG is also included as a complementary bone and immune supportive compound.* (Note: This product has been reformulated to include more vitamin K and GG).

Featuring a Superior K2 Form - This vitamin k1 k2 supplement features vitamin k2 mk-4, a premium form of vit k. Vitamins D and K work synergistically, thus, increasing vitamin D increases the need for vitamin K.

Why Add GG to Vitamin D? Geranylgeraniol is a compound produced naturally in the body that declined with age. It is included in this vitamin d complex to help promote optimal bone and heart health, maintain proper immune system balance and vitamin K status.

OFFERS MORE VITAMIN D AND MBP - OsteoForce Supreme features the same comprehensive array of bone-supportive nutrients found in our standard OsteoForce, along with an increased level of vitamin D (2000 IU) as well as the addition of vitamin K2 and the bone-building protein MBP (Milk Basic Protein).*

UNIQUE INGREDIENT - MBP is a multifunctional, natural protein present in trace amounts in human and bovine milk whose main role is to assist the body in its ability to support bone.*

HIGHER STANDARDS. BETTER RESULTS - Designs for Health maintains a strict, no-compromises approach to quality raw material selection. We never cut corners with substandard ingredients. This product is Non-GMO and Gluten-Free.

Biologically Active Form - Vitamin D Synergy provides 2000 IU of Vitamin D, a perfect dose for daily use. The D3 form is the biologically active form produced by sun exposure. *

Superior Absorption - The addition of 200 mcg of Vitamin K (as K1) aids in the absorption of Vitamin D. The K1 form occurs naturally in vegetables. *

Bone And Arterial Support - Vitamins D and K are essential for optimal bone and arterial health and for helping to maintain the immune system in proper balance.*

Pleasant Tasting Liquid - A convenient, pleasant-tasting and easily mixed formula with 2,000 IU of Vitamin D3 per 1 ml.*

Emulsified & Bioavailable - Emulsified liquid with MK-7, a better-absorbed form of vitamin K to support bone health.*

K1 & K2 - Each serving contains 200 mcg of vitamin K1 and 40 mcg of vitamin K2.*

VITAMIN D TEAMWORK - It is extremely important to keep vitamin D in balance with other fat-soluble vitamins, which work in harmony. This product offers a balance of all fat-soluble vitamins, D, A, K, and E.*

SUPERIOR VITAMIN FORMS - Featuring 2000 IUs of active vitamin D3, cholecalciferol, natural Vitamin E including mixed Tocopherols and Tocotrienols, and bioavailable vitamins K1 and K2.*

BONE, CARDIOVASCULAR & IMMUNE SUPPORT - May support healthy bones and teeth, healthy immune function, cardiovascular and arterial health, and the maintenance of skin, nails, and hair.*

Synergistic Vitamin D3 & K - Vitamin D is needed for a healthy immune system, and vitamins D and K act synergistically to support healthy bones and proper calcium balance in the body.*

Enhanced Liposomal Absorption - Liposomes bond easily with cell membranes, facilitating nutrient delivery. This promotes superior absorption and bioavailability.*

Optimal Nutrient Forms - Each serving of this citrus flavored formula provides 2500 IU of vitamin D3 as Cholecalciferol and 325 mcg of vitamin K as K1 (MK-4) and K2 (MK-7).

Reformulation Notice: Now with GG: Geranylgeraniol (here as GG-Gold) helps the body to produce its own MK-4.* Please note that this formula is no longer vegetarian.

Three Synergistic Forms Of K - Provides 1000 mcg Vitamin K1- the naturally occurring form of vitamin K in vegetables, 1000 mcg Vitamin K2-MK-4 - the highly bioavailable form.

Bone + Cardiovascular Support - These nutrients work together to promote optimal delivery of vitamin K2(MK-4) to tissues supporting normal blood clotting, bone mineralization, and arterial elasticity.*

5,000 IU Vitamin D3 - D-Evail Supreme provides a clinically relevant serving of 5,000 IU (125 mcg) of vitamin D in a highly absorbable form.*

Vitamins K1, K2 (as MK-4) & geranylgeraniol (GG) - Included to support bone, immune, and cardiovascular health.* Research suggests that combined supplementation of both vitamins D and K may be more supportive than either vitamin alone for both bone and cardiovascular health.*

Designed for Improved Absorption - This product uses the Designs for Health Evail technology that combines quillaja extract with medium-chain triglycerides (MCT) for improved nutrient bioavailability.*

Support for Growing Kids - Vitamin D3 drops with vitamin K1 uniquely formulated to support healthy bones, normal growth, and healthy immune system development for kids. The liquid form of this product may be easier to take than other forms of vitamin D K supplements.*

Vitamin D3 1000 IU for Kids - Vitamin D3 Liquid provides 1,000 IU (25 mcg) of vitamin D3 and 100 mcg of vitamin K1 per half-dropperful serving for children.

No Artificial Sweeteners or GMOs - Kids vitamin D with Non-GMO ingredients and no added sugars, from a practitioner trusted brand. Liquid Vitamin D3 in a tinted glass dropper bottle to help protect nutrient potency.

TWO PREMIUM ESSENTIALS - Foundational vitamin duo featuring a high potency vitamin D supplement and B-Supreme, a powerful spectrum of B vitamins with TMG and choline.

5000 IU VITAMIN D3 + K - Vitamin D Supreme provides a high 5000 IU dose of vitamin D3, along with bioavailable vitamin K1 and K2 (MK-7). This formula provides the most absorbable, highly bioavailable form of vitamin K.

ACTIVATED B COMPLEX - Powerful B vitamin combination with most of the B vitamins in their coenzymated forms, promoting optimal bioavailability. Includes our proprietary NatureFolate blend of naturally-occurring folates, B12 as methylcobalamin, TMG and choline.*

2,000 IU Vitamin D3 - Provides a 50 mcg (2,000 IU) serving of vitamin D per capsule, in a highly absorbable form.

Vitamins K1, K2 (as MK-4) & geranylgeraniol (GG) - Included to support bone, immune, and cardiovascular health.* Research suggests that combined supplementation of both vitamins D and K may be more supportive than either vitamin alone for both bone and cardiovascular health.*

Designed for Improved Absorption - This product uses the Designs for Health Evail technology that combines quillaja extract with medium-chain triglycerides (MCT) for improved nutrient bioavailability.*

Two Exceptional Foundationals - Twice Daily Multi combines premium nutrients and twice-daily convenience, while Vitamin D Supreme may be beneficial for those who do not get adequate sun exposure and/or dietary sources of vitamins D and K.

Twice Daily Multi uses higher quality ingredients than most multivitamins, including vitamin E as DeltaGold tocotrienols, a highly bioavailable form of folate, and true amino acid chelate minerals for optimal tolerance and absorption.*

Vitamin D Supreme contains 5000 IU vitamin D and vitamin K in both K1 and the MK-7 form of K2. Vitamins D and K work as a team. Thus, increasing doses of vitamin D will increase the need for vitamin K.