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Best immunity boosting foods for men: What to eat to support your immune system year-round

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Feb 13, 2026 · 13 min read

The best immunity boosting foods are the ones that reliably provide the micronutrients and bioactive compounds your immune cells use to build barriers, signal threats, and resolve inflammation. This guide breaks down the highest-impact foods and shows how men can turn them into a simple, repeatable “immunity plate” for work, travel, and training. Written by: ...

Best weight loss supplements for men: What research actually supports

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Feb 10, 2026 · 12 min read

The best weight loss supplements for men are the few that show modest, repeatable benefits in human studies, mainly caffeine, green tea extract, and soluble fiber, with mixed evidence for garcinia cambogia and forskolin. The win is not “magic fat loss.” It is small leverage on appetite, energy expenditure, and waist size when you also ...

Function Health testosterone results: What “out of range” really means and what to do next

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Feb 09, 2026 · 13 min read

An “out of range” testosterone result means your value fell outside that lab’s reference interval, not that you have hypogonadism. The next step is to repeat a morning total testosterone and add confirmatory labs (free testosterone with SHBG, plus LH/FSH) interpreted alongside symptoms before deciding on treatment. “When a lab report says ‘normal’, it mostly ...

Keto diet and CGM: What your glucose level can look like and how to avoid reverse metabolic inflexibility

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Feb 07, 2026 · 12 min read

On a ketogenic diet, CGM traces usually show a lower, flatter 24-hour glucose curve, while an occasional high-carb meal can cause a higher peak and slower return to baseline because fat adaptation temporarily reduces rapid glucose disposal (“reverse metabolic inflexibility”) rather than proving true insulin resistance. Learn how to interpret trends despite interstitial fluid lag ...

Inflammation and heart disease in men: What to test and what to do next

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Jan 28, 2026 · 11 min read

Chronic, low-grade inflammation is a proven risk factor for atherosclerotic heart disease, and simple blood tests can detect it before symptoms appear. If your cholesterol looks “fine” but your family history, waistline, or energy say otherwise, inflammation may be the missing piece in your heart risk assessment. “Think of cholesterol as the building material for ...

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Best immunity boosting foods for men: What to eat to support your immune system year-round

Best weight loss supplements for men: What research actually supports

Function Health testosterone results: What “out of range” really means and what to do next

Keto diet and CGM: What your glucose level can look like and how to avoid reverse metabolic inflexibility

Inflammation and heart disease in men: What to test and what to do next