4 Nutrient Deficiencies Making You Age Faster (90% at Risk)
Posted on
October 1st 2025
(2 months)
SHARE
The Omega-3 Supplementation Guide
A blueprint for choosing the right fish oil supplement — filled with specific recommendations, guidelines for interpreting testing data, and dosage protocols.
Love our episodes? Subscribe to our channels
In this clip from Rhonda's appearance on @MayimBialik 's podcast, she discusses:
- What happens if you don't get enough vitamin C?
- Which essential nutrient do 90% of people lack?
- Why does choline deficiency raise Alzheimer's risk?
- How many eggs per day meet your choline needs?
- Can vitamin E deficiency lead to heart disease?
- What are the best dietary sources of vitamin E?
- What are the hidden risks of vitamin K deficiency?
Get email updates with the latest curated healthspan research
Support our work
Every other week premium members receive a special edition newsletter that summarizes all of the latest healthspan research.
Micronutrients News
- Vitamin D, iron, and protein may improve hair growth and thickness while sugar-sweetened beverages and alcohol may worsen hair loss.
- Copper-rich diets can boost cognitive performance by up to 25% in older adults.
- Regular intake of vitamin K1, found in leafy greens and plant oils, reduces risk of atherosclerotic disease-related events by 29% and related deaths by 43% among older women.
- Nearly half of people with type 2 diabetes have multiple micronutrient deficiencies—the most common being vitamin D.
- Lower levels of active B12 linked to slower visual processing and cognitive decline, suggesting current guidelines may not adequately ensure brain health.