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All the latest articles from our medical experts on testosterone, men's health, and longevity.

Longevity trends shifting men’s health from biohacking to proven science

Longevity trends shifting men’s health from biohacking to proven science

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 18, 2025 · 9 min read

Men’s longevity is shifting from speculative biohacking to evidence-based healthspan medicine that targets upstream biology—especially chronic low-grade inflammation (“inflammaging”), metabolic flexibility, and cellular repair—before disease and hormonal decline become entrenched. Here are the clinically grounded trends and tools (from precision testing to targeted interventions) that can help a man’s 70s function more like his 50s. ...

The science of supplements: Which vitamins actually fight male fatigue?

The science of supplements: Which vitamins actually fight male fatigue?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 18, 2025 · 11 min read

In men with low or marginal levels, repleting key energy cofactors — B vitamins (especially B12, folate, and B6) plus vitamin D and zinc — can reduce fatigue by supporting mitochondrial ATP production and stabilizing testosterone-related energy pathways. Here’s how to spot the signals, confirm them with the right labs, and target what’s actually limiting ...

Low calorie protein shakes: How to keep muscle while cutting fat

Low calorie protein shakes: How to keep muscle while cutting fat

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 17, 2025 · 11 min read

Low calorie protein shakes can help preserve lean mass during a cut by delivering essential amino acids (especially leucine) that stimulate muscle protein synthesis and support a positive nitrogen balance even in a calorie deficit; most lean, resistance-trained men need about 1.6–2.4 g/kg/day of protein to minimize muscle loss. Here’s how to use shakes to ...

CGM for nondiabetics: When it helps, when it misleads, and how men can use it well

CGM for nondiabetics: When it helps, when it misleads, and how men can use it well

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 17, 2025 · 12 min read

In nondiabetic men, a CGM is most useful when diabetes risk is elevated and you use it to track repeatable trends (it reads glucose in interstitial fluid every few minutes), but it can mislead when you treat one-off post-meal “spikes” as verdicts because readings lag behind blood glucose and responses can vary even to the ...

The definitive guide to high protein fast food for men who lift

The definitive guide to high protein fast food for men who lift

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 16, 2025 · 11 min read

For muscle growth, a fast-food meal can “count” if it delivers roughly 20–40 g of complete, leucine-rich protein to trigger muscle protein synthesis (MPS) without dragging in excessive refined carbs and added fats that crush the protein-to-energy ratio. This guide shows how to order “surgically” — prioritizing grilled meats and simple sides while skipping the ...

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