How to Take Vitamin D3 and K2 Together
By Share this with your friend | Published: 2026-10-19
Category: How-to Guides
Learn the best way to take vitamin D3 and K2 together for bone health and absorption. Follow our step-by-step guide for timing, dosage, and common mistakes.
Quick Answer
Take vitamin D3 and K2 together with a meal that contains fat for best absorption. The two nutrients work synergistically to support bone and joint health.
Why Take D3 and K2 Together?
Vitamin D3 helps your body absorb calcium, while vitamin K2 directs that calcium to your bones and teeth instead of soft tissues. Taking them together maximizes the bone-building benefit and reduces the risk of calcium buildup in arteries.
Choosing the Right Supplement
Look for a combination supplement that provides both D3 and K2 in one capsule for convenience. Puritan's Pride Vitamin D3 & K2 capsules offer a beneficial combination of these two key ingredients, with D3 and K2 working together to help support joint and bone health.
Step-by-Step Guide to Taking D3 and K2
- Step 1: Take with a Fat-Containing Meal: Vitamin D3 is fat-soluble, so it absorbs best when taken with food that contains fat—think eggs, avocado, nuts, or olive oil. Swallow the capsule during or right after your meal. Skipping the fat source can reduce absorption by up to 50%.
- Step 2: Stick to the Recommended Dosage: Follow the dosage on the supplement label. For Puritan's Pride Vitamin D3 & K2, take one capsule daily unless your healthcare provider advises otherwise. More is not better—excess vitamin D can cause toxicity over time. Check the label for IU of D3 and mcg of K2; do not exceed the stated dose.
- Step 3: Take at the Same Time Each Day: Consistency helps maintain steady blood levels. Pair it with a daily habit like breakfast or lunch. If you forget, take it as soon as you remember, but skip it if it's almost time for your next dose. Setting a daily alarm or storing the bottle near your coffee maker can prevent missed doses.
- Step 4: Store Properly and Check Expiry: Keep the bottle in a cool, dry place away from direct sunlight and moisture. Avoid storing in the bathroom or kitchen near the stove. Check the expiration date before starting a new bottle. Heat and humidity can degrade the potency of both vitamins.
Product Facts
- Vitamin D3 & K2: Vitamin D3 & K2 capsules combine D3 and K2 to support joint and bone health. This combination ensures you get both nutrients in one dose, simplifying your routine and supporting calcium utilization.

Vitamin D3 & K2
