Intermittent fasting

Explore how intermittent fasting protocols can impact fat loss, hormone levels, and metabolic health in men. Learn the best strategies for timing your meals to optimize testosterone, body composition, and overall performance.

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Does chewing gum break autophagy? What research says

Does chewing gum break autophagy? What research says

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 08, 2026 · 10 min read

Human studies have not established whether chewing gum stops autophagy or meaningfully reduces fasting-induced autophagy, so sugar-free gum cannot be considered “autophagy safe,” and the question “does chewing gum break autophagy” does not have a proven human answer.Aman et al., 2021; Martinez-Lopez et al., 2017 If autophagy is your goal, avoid gum, while for weight-loss-focused ...

Can you drink coffee while fasting? What black coffee really does to a fast

Can you drink coffee while fasting? What black coffee really does to a fast

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 30, 2025 · 10 min read

Black coffee does not break a metabolic fast for most men because an 8 ounce cup has about 3 calories and is unlikely to trigger a meaningful insulin response. The real risk comes from what you add to it, plus how caffeine affects hunger, blood sugar, cortisol, and your gut when your stomach is empty. ...

Does diet coke break a fast? What men should know about diet soda, insulin, and hunger

Does diet coke break a fast? What men should know about diet soda, insulin, and hunger

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 29, 2025 · 15 min read

Diet Coke and other diet sodas contain essentially no calories, so they technically do not break a fast. But for many men, the sweet taste and caffeine can still shift hormones like insulin and cortisol in ways that can undercut why you are fasting in the first place. “If a guy asks me, ‘does diet ...

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