

#312 Professor Shares 6 Longevity Nutrients to Preserve Your Strength and Help You Age Better | Professor Ailsa Welch
Aug 27, 2025
In this engaging discussion, Professor Ailsa Welch, a leading expert in nutritional epidemiology, shares her extensive knowledge on aging and nutrition. She breaks down how muscle and bone health evolve over time and the critical nutrients like magnesium, vitamin C, and protein necessary for longevity. The conversation delves into the impact of diet on inflammation and metabolic health, emphasizing the importance of a balanced nutrient intake. Ailsa also offers practical tips for midlife wellness, stressing the significance of preventing deficiencies for a healthier aging process.
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Magnesium Stimulates Muscle Synthesis
- Population and animal studies link higher magnesium to greater muscle mass and function independent of protein.
- Magnesium activates mTOR and may amplify exercise-driven muscle synthesis.
Scurvy Bone Demo With Students
- Professor Welch showed medical students a bone with scurvy lesions to teach vitamin C's role in collagen.
- She used the tangible example to make nutrient effects more memorable and concrete.
Vitamin C Has A Dose-Dependent Risk
- Very high vitamin C can act as a pro-oxidant and harm people with impaired kidneys.
- Short high doses for a cold are reasonable, but chronic gram-level supplementation carries risks like kidney stones.