Why Our Vitamin D3 + K2 Works Better.
1.9x Better Absorption
Get high-dose results with just 2,600 IU—more absorbed, less wasted.
Absorbs Without Food
Formulated to not require dietary fat, so you get consistent Vitamin D every day.
Steady Energy & Mood
Helps mood feel lighter and energy more stable—especially in low-sun months.
Stronger Bones
K2 sends calcium into bones, not arteries, for long-term bone health benefits.
Promotes immunity
Better immunity through seasonal shifts and everyday stress.
Less Muscle Fatigue
Feel less worn down after activity with better Vitamin D status.
Backed by Experts.
“The lack of consistency in supplement absorption has been a huge issue in the industry. I am grateful to be part of a team that is dramatically improving the quality and absorption of supplements and botanicals.”
Chief of Pediatric Nephrology at Dartmouth Children’s Hospital
“When it comes to supplementation, bioavailability matters - you want supplements that work. The Absorption Company's commitment to using cutting-edge technology to create highly absorbable supplements -- with results you can feel -- deeply resonates with me."
Holistic Health Coach and Founder of Clean Market
“Given the widespread availability of supplements with limited absorption rates, it is so important to emphasize formulations designed to maximize bioavailability. [The Absorption Company] ensures individuals receive the full spectrum of nutrients they need for optimal well-being.”
IFMCP, DNM, DC