The Core Supplements for Healthy Aging: What Has Evidence Behind It
Not all supplements are worth taking. This article focuses on the short list with meaningful evidence for adults 40 and older.
Read more →Ingredient
Vitamin D3
Fat-soluble vitamin critical for bone, immune, and muscle function.
8 items across all content types
Articles
Bone Density After 50 for Women: What Actually Protects Bone Now
Bone loss accelerates around menopause, but the biggest protective moves are specific. Here is where resistance training, protein, vitamin D3, and vitamin K2 fit after 50.
Read more →Library
Bone Density After 40: The Silent Decline and How to Fight It
Bone loss begins before most people think about it, accelerates sharply around menopause, and rarely causes symptoms until a fracture happens. The data on hip fractures is sobering. The good news: the interventions are specific, accessible, and backed by strong evidence.
Read more →Protocols
Cognitive Vitality Protocol
Habits that actively support brain health and may reduce cognitive decline risk over time.
Read more →Core Supplement Stack for Adults 40+
A concise starting point for targeted supplementation — focused on the nutrients most commonly deficient and most relevant after 40.
Read more →Ingredient Profiles
Vitamin D3
A fat-soluble vitamin that functions as a hormone, with receptors in nearly every tissue type. Deficiency affects an estimated 40% of US adults and is associated with reduced muscle function, impaired immunity, bone loss, and metabolic dysfunction. Supplementation in deficient individuals has a strong evidence base.
Read more →Vitamin K2 (MK-7)
A longer-acting form of vitamin K2 that helps activate proteins involved in calcium placement. It is most often used alongside vitamin D3 to support bone health while helping keep calcium out of soft tissue.
Read more →Glossary Terms
- Vitamin K2 (MK-7) — Supplement Terms