Lifestyle & longevity

Design daily habits that support hormonal balance and long-term vitality. Master sleep and circadian timing, eat for metabolic stability, and use micronutrients with purpose. Make informed choices about alcohol, nicotine, sauna, and cold exposure. We translate longevity research into clear, practical playbooks you can apply today.

NAD+ injections safety and benefits for men. What to know about NAD3 side effects

NAD+ injections safety and benefits for men. What to know about NAD3 side effects

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 29, 2025 · 14 min read

NAD+ injections can be a safe way for men to raise NAD availability when they are prescribed, sourced well, and dosed correctly, but the benefits are still emerging and side effects are real. If you are seeing “NAD3” online, focus less on the label and more on what is in the vial, how it is ...

Is Propel water healthy or just clever marketing?

Is Propel water healthy or just clever marketing?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 28, 2025 · 10 min read

Propel is generally healthier than sugar-sweetened sports drinks because it has 0 g added sugar, avoiding the 30+ g sugar load a typical 20-oz sports drink can deliver. That is enough to nearly hit the American Heart Association’s daily added-sugar limit and can drive larger glucose and insulin excursions. The catch is that its sweetness ...

Protein gummies: Smart shortcut or sugary trap for your gains?

Protein gummies: Smart shortcut or sugary trap for your gains?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 28, 2025 · 15 min read

Protein gummies can be a smart shortcut for your gains if they help you hit your daily protein target with predictable dosing. They can also be a sugary trap if you treat them like candy, overshoot calories, or let them replace real meals. “For most guys, the muscle building ‘magic’ is not the form of ...

Are Clif Bars healthy or just clever marketing?

Are Clif Bars healthy or just clever marketing?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 11 min read

For most sedentary people, a Clif Bar is not a “healthy” snack. It is often a ~250-calorie bar with ~20 grams of added sugar and a refined carbohydrate load that can raise blood glucose and insulin. If it adds calories or replaces a more filling, lower-calorie snack, it may make a calorie deficit harder to ...

Creatine gummies vs powder: Which works better and when to use each?

Creatine gummies vs powder: Which works better and when to use each?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 27, 2025 · 13 min read

Creatine gummies and creatine powder work equally well when they deliver a clinically effective dose of creatine monohydrate (about 3 to 5 g per day), because your muscles respond to the same increase in phosphocreatine that helps regenerate ATP for short, intense efforts. The real differences come down to cost, convenience, and added ingredients like ...

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