Vitamin D Synergy

What Is Vitamin D Synergy?

Vitamin D Synergy by Designs for Health provides 2,000 IU of vitamin D3 per capsule alongside vitamin K2 as MK-7 — one of the most bioactive and long-acting forms of vitamin K2 available. This combination is designed for patients who have achieved optimal vitamin D levels and are looking to maintain them, or for those beginning vitamin D supplementation at a more conservative starting dose. Available in 120 or 240 capsule sizes, it offers excellent value for daily foundational use.

Key Benefits

• 2,000 IU of vitamin D3 supports immune function, mood, and bone health at a maintenance dose*
• Vitamin K2 as MK-7 (long-acting form) works synergistically with D3 to direct calcium properly*
• Supports healthy bone mineral density and skeletal integrity*
• Promotes positive mood, healthy serotonin signaling, and cognitive function*
• Helps maintain cardiovascular health through calcium metabolism regulation*
• Cost-effective daily D3+K2 option for long-term foundational supplementation*

Who Should Take This?

Vitamin D Synergy is well-suited for patients who have corrected a deficiency and are now in maintenance mode, health-conscious individuals looking for a clean daily D3+K2 supplement, patients who prefer a lower starting dose, and families looking for an affordable, reliable vitamin D option. It is also appropriate for teenagers and older children under healthcare guidance.

How to Use

• Serving size: 1 capsule daily, or as directed by your healthcare provider
• Timing: Take with a meal containing healthy fats for best absorption
• Duration: Intended for ongoing daily maintenance — retest vitamin D levels annually
• Stacking: Complements Twice Daily Multi (which may provide lower-dose D), Magnesium Malate (needed for D3 activation), and Homocysteine Supreme for cardiovascular support

Our Doctors’ Take

Our doctors consider Vitamin D Synergy one of the best value-per-dose foundational supplements we carry. The pairing of D3 with K2 as MK-7 is important — MK-7 has a much longer half-life than MK-4, which means more sustained activity in the body with once-daily dosing. For patients who are already at a good vitamin D level and simply want to stay there, this is a clean, affordable, and clinically sound choice. It’s also a great entry point for patients new to vitamin D supplementation.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.