If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.
If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.If you don’t know which supplement you need, you can do a blood test with us with 5% discount so you know exactly what you need.
VITLY
🇺🇸
VITLY Research

Knowledge Base

Deep dive into the molecular foundations of vitality. Our research-backed information helps you make informed choices for your body.

5
Topics
2025
Research
100%
Science-Based

Sections

Know what your body needs

Our blood tests reveal your personal deficiencies.

Book a test

Vitamin D is much more than just a vitamin; it acts as a hormone that regulates over 2,000 genes. Recent research (2024-2025) has shown that maintaining optimal levels (+75 nmol/L) can slow biological aging by nearly 3 years by preserving telomere length. It is also the cornerstone of immune regulation and bone density.

Regulates 2,000+ genes

Optimal: >75 nmol/L

Slows bio-aging by ~3 years

Want to know more?Test your levels

All information is based on recent scientific literature. Always consult with a healthcare professional before starting new supplements.

Science in Action

Discover Your Health Plan

Get a blood test and receive a personalized supplement recommendation.

Book a Blood TestBrowse Products