Prof. Dr. Hans-Günther Machens, MD
Technical University of Munich
Worldwide recognized expert in regenerative medicine and tissue healing with decades of clinical and scientific pioneering work.
KNOWLEDGE
Knowledge, Science, and Transparency
Get to know our team, our research, and our quality standards.
ABOUT US
Who we are
Youngle was founded by a team of doctors and scientists to make evidence-based supplements accessible. We combine medical expertise with the highest quality standards.
- Founded by doctors and longevity researchers in Germany.
- Every product is based on peer-reviewed research.
- Clinically relevant dosages.
MEDICAL ADVISORY BOARD
Expertise from the forefront of longevity research
Our medical advisory board brings together leading expertise in regenerative medicine, senolytics, and longevity research.
5
experts
946
combined publications
79
years of experience
Dr. Leonard Knoedler, MD
Harvard, Yale, UCLA
Surgeon and scientist focused on plastic surgery, regenerative medicine, and translational longevity research.
Dr. Jun Jiang, MD
Cornell, Technical University of Munich, Tongji University
Specialist in Plastic and Aesthetic Surgery with a focus on regenerative medicine and innovative minimally invasive therapies.
Dr. Sophia Griffin, PhD
Global Medical Content Lead at Resmed
PhD in Neuroscience and Physiology with many years of experience in clinical strategy, Medical Affairs, and health innovation.
Dr. Samuel Knoedler, MD
Harvard, Yale, TUM
Doctor and scientist focused on regenerative medicine, plastic surgery, and medical innovation; also a patent holder in the field of medical technology.
QUALITY INSPECTION
Independently tested quality
Each of our products is tested by an independent, DAkkS-accredited German laboratory for purity, heavy metals, and correct dosage. We make the results transparent so you know exactly what you are taking.
MAGAZINE
News from the magazine
Knowledge, studies, and routines from the world of longevity.
-
27.05.2026Buy NMN: What Matters in Quality, Purity, and SelectionNMN is one of the most commonly counterfeited supplements. Those who know what to look for make better decisions. An objective guide...
Read more
-
27.05.2026Urolithin A: How a Pomegranate Compound Could Slow Down Cellular AgingWhen mitochondria age, muscles, the immune system, and the brain suffer. A metabolite from the gut could reactivate the cellular recycling process....
Read more
-
27.05.2026TMG (Trimethylglycine): Methylation, Homocysteine, and the Connection to NAD+TMG is not an NAD+ precursor, but a methyl group donor that supports the core of one-carbon metabolism – and thus one...
Read more
-
27.05.2026How do I increase my NAD+ levels? An overview of lifestyle, nutrition, and supplementationNAD+ decreases with age – but the most effective ways to counteract this process are not pills, but habits: exercise, sleep, and...
Read more
-
27.05.2026NR (Nicotinamide Riboside): Effects, Bioavailability, and Difference from NMNNR is the first NAD+ precursor with Novel Food approval in the EU and the only one for which direct tissue measurements...
Read more
-
27.05.2026NMN: Effects, Dosage, and What Clinical Studies ShowNMN is the most direct way to increase NAD+ levels. This article describes what this does in the body, what human studies...
Read more
-
27.05.2026How much NMN per day? Dosage, timing, and what studies showClinical studies have examined NMN in doses ranging from 100 to 1,200 mg daily. The results are not consistent, but clear patterns...
Read more
-
27.05.2026NAD+, NMN & NR: The Complete Guide to NAD+ PrecursorsNAD+ is involved in energy production, DNA repair, and cell aging, and it decreases with each decade of life. NMN, NR, and...
Read more
