
calcium found its perfect partners
Bone Health
Bone Strength Duo
For anyone building a daily bone routine who wants calcium together with the vitamins that help the body use it.
- Bone & Teeth
- Calcium Absorption
- Muscle Function
Vitamin D3 helps your body absorb calcium, and Vitamin K2 supports healthy calcium use in your bones, so each bottle helps the other do its job.
- Save 20% on every order + exclusive deals
- Free shipping on orders over $25
- Skip, pause, or cancel anytime
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- Ships Same Business Day
- 30-Day Guarantee
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Add Magnesium Oxide 400 mg, a mineral that supports bone and muscle health.
What's in your bundle
The two essentials for your bone routine.
Each bottle plays a different role. Take them together as part of your daily routine.

Calcium Citrate Bone & Teeth Support 100ct
2 tablets a day for 400 mg of calcium.
- 100 tablets
- 50 servings
- Supports bone & teeth health

Vitamin K2 & D3 100mcg/25mcg 60ct
1 tablet a day with food: 100 mcg K2 and 25 mcg D3.
- 60 tablets
- Supports calcium utilization
- Supports bone health
Bone health basics
Why these two?
Calcium, Vitamin D3 and Vitamin K2 work together to support your bone routine.
Calcium
Calcium is an essential mineral that helps maintain strong bones and teeth as part of a healthy diet.
Vitamin D3
Vitamin D3 helps your body absorb calcium and supports bone health.
Vitamin K2
Vitamin K2 supports healthy calcium use in your bones as part of a healthy routine.
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Direct from the source
Authorized Reseller
We buy directly from the manufacturer, so every bottle in this bundle is 100% authentic and properly sourced.
Sealed & Brand-new
Manufacturer-sealed, never opened. Stored in our climate-controlled facility.
Same or Next Business Day
Weekday orders before 5pm ET ship the same day; off-hours and weekend orders ship the next business day.
30-day Guarantee
Every order is backed by our 30-day satisfaction guarantee.
Secure Checkout
Stripe-powered with Apple Pay and Google Pay supported.
Frequently asked
Questions about this bundle
How long does the bundle last?
How do I take them?
Why take calcium with Vitamin K2 and D3?
I take a blood thinner. Can I use this?
Can I swap a bottle inside this bundle?
How does Subscribe & Save work on bundles?
Does the whole bundle ship in one box?
How long does a bundle last?
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Quality you can verify
Every bottle in this bundle is
- Gluten-Free
- Non-GMO
- Dairy-Free
- Soy-Free
- Sugar-Free
- No Artificial Colors
- No Artificial Flavors
- No Preservatives
- Made in the USA
Start the routine
One bundle, one box, one routine
Ships free over $25 and arrives in 2–5 business days. Subscribe and the next box is automatic — pause, swap, or cancel from your account any time.