{"id":2002036,"date":"2026-07-07T12:18:09","date_gmt":"2026-07-07T11:18:09","guid":{"rendered":"https:\/\/usamedical.com\/en\/product\/vitamin-d3-plus-k2-4-000-iu-d3-100-mcg-k2-60-capsules\/"},"modified":"2026-08-20T15:15:46","modified_gmt":"2026-08-20T22:15:46","slug":"vitamin-d3-plus-k2-4-000-iu-d3-100-mcg-k2-60-capsules","status":"publish","type":"product","link":"https:\/\/usamedical.com\/en\/product\/vitamin-d3-plus-k2-4-000-iu-d3-100-mcg-k2-60-capsules\/","title":{"rendered":"Vitamin D3 + K2"},"content":{"rendered":"
\n

Bone + Muscle Support, Made Simple<\/h2>\n

One capsule provides 4,000 IU vitamin D3, 100 mcg vitamin K2 as MK-7, 80 mg vitamin C, and 120 mg calcium. The purpose is obvious at a glance: a once-daily routine for bone, muscle, and immune support.<\/p>\n

\n
4,000 IU<\/strong>Vitamin D3 per capsule<\/span><\/div>\n
\n
100 mcg K2<\/strong>Vitamin K2 as MK-7.<\/span><\/div>\n
80 mg vitamin C<\/strong>89% of the U.S. Daily Value.<\/span><\/div>\n
120 mg calcium<\/strong>9% of the U.S. Daily Value.<\/span><\/div>\n
1 capsule daily<\/strong>Take with food and water.<\/span><\/div>\n<\/div>\n<\/div>\n

What This Formula Is Built For<\/h3>\n
\n
\n

Bone support<\/h3>\n

Vitamin D helps the body absorb calcium, and both nutrients have established roles in bone health. This formula states the amount of each instead of treating them as one interchangeable number.[1]<\/a>[3]<\/a><\/p>\n<\/div>\n

\n

Muscle function<\/h3>\n

Vitamin D contributes to normal muscle function. A supplement supports nutritional intake; it does not replace movement, protein, or medical evaluation for weakness.[1]<\/a><\/p>\n<\/div>\n

\n

Immune support<\/h3>\n

Vitamins D and C have established roles in immune function, which supports a straightforward daily-wellness story without promising illness prevention.[1]<\/a>[4]<\/a><\/p>\n<\/div>\n

\n

K2 as MK-7<\/h3>\n

Vitamin K is required for proteins involved in blood clotting and bone metabolism. This formula uses the menaquinone-7 form and clearly states 100 mcg.[2]<\/a><\/p>\n<\/div>\n

\n

Food-time routine<\/h3>\n

The current label directs one capsule daily with food and water, making the routine easy to attach to breakfast or another consistent meal.<\/p>\n<\/div>\n

\n

Sixty servings<\/h3>\n

One capsule is one complete serving, so a 60-capsule bottle provides 60 label servings.<\/p>\n<\/div>\n<\/div>\n

\nWhat the research says<\/span><\/p>\n

Established nutrient roles. A high-D serving still needs context.<\/h3>\n

Vitamin D supports calcium absorption and has established roles in bone, muscle, and immune function. Vitamin K participates in proteins involved in clotting and bone metabolism, while calcium is a principal structural component of bone.[1]<\/a>[2]<\/a>[3]<\/a><\/p>\n

The labeled serving provides 4,000 IU (100 mcg) vitamin D3\u2014the NIH adult tolerable upper intake level from all sources. That number is a safety boundary, not a universal daily target. Total intake, health status, medication, sun exposure, diet, and laboratory results all matter.[1]<\/a><\/p>\n

Our honest read: this is a clear one-capsule formula for adults who intentionally want a higher-dose D3 routine with K2, vitamin C, and calcium. It does not guarantee stronger bones, prevent illness, or replace individualized clinical guidance.<\/p>\n<\/div>\n

Read the Four Numbers Correctly<\/h3>\n
\n
Nutrient<\/span>Role in the formula<\/span>Amount per capsule<\/span><\/div>\n
Vitamin D3<\/strong>Supports calcium absorption and normal bone, muscle, and immune function.<\/span>4,000 IU \/ 100 mcg.<\/span><\/div>\n
Vitamin K2<\/strong>MK-7 form of vitamin K, a nutrient used by bone- and clotting-related proteins.<\/span>100 mcg.<\/span><\/div>\n
Vitamin C<\/strong>An antioxidant nutrient with roles in collagen synthesis and immune function.<\/span>80 mg.<\/span><\/div>\n
Calcium<\/strong>A structural mineral; this serving supplies part, not all, of the Daily Value.<\/span>120 mg.<\/span><\/div>\n<\/div>\n
\n
\n

Why 4,000 IU needs a second look<\/h3>\n

The vitamin D amount equals the adult upper intake level. Review other vitamin D products and fortified foods so the same nutrient is not unintentionally stacked.[1]<\/a><\/p>\n<\/div>\n

\n

What this page does not promise<\/h3>\n

It does not promise a fracture, deficiency, or infection outcome, or make vitamin K safe with warfarin. Those questions require individual context.[1]<\/a>[2]<\/a><\/p>\n<\/div>\n<\/div>\n

\"Vitamin<\/a>
Bone + muscle support, made simple.<\/figcaption><\/figure>\n
\n
\n

Works Cited<\/h2>\n<\/header>\n
\n
\n
Official guidance<\/span>01<\/span><\/div>\n

Vitamin D<\/h3>\n

NIH explains vitamin D’s established roles, intake recommendations, adult upper limit, deficiency context, and medication considerations.<\/p>\n

Read the NIH fact sheet \u2197<\/span><\/a><\/div>\n<\/article>\n
\n
Official guidance<\/span>02<\/span><\/div>\n

Vitamin K<\/h3>\n

NIH describes vitamin K forms, its role in clotting and bone-related proteins, intake guidance, and the important interaction with warfarin.<\/p>\n

Read the NIH fact sheet \u2197<\/span><\/a><\/div>\n<\/article>\n
\n
Official guidance<\/span>03<\/span><\/div>\n

Calcium<\/h3>\n

NIH explains calcium’s structural role, recommended intakes, food and supplement sources, absorption, and upper limits.<\/p>\n

Read the NIH fact sheet \u2197<\/span><\/a><\/div>\n<\/article>\n
\n
Official guidance<\/span>04<\/span><\/div>\n

Vitamin C<\/h3>\n

NIH summarizes vitamin C’s roles in antioxidant activity, collagen synthesis, immune function, intake guidance, and safety.<\/p>\n

Read the NIH fact sheet \u2197<\/span><\/a><\/div>\n<\/article>\n<\/div>\n