Why Keto for Men?
If you're a man looking to maintain a trim frame and find extra energy, the ketogenic diet is worth a look. Eating keto means limiting carbohydrates while raising your intake of protein and fat — and many men report shedding body fat and experiencing fewer food cravings along the way.
Early research suggests keto eating may be especially helpful in supporting male weight management.† In one University of Iowa study, male mice fed a keto diet experienced significant fat loss. In an Italian study, men with obesity and low testosterone lost weight while eating keto — and saw their testosterone levels rise. And long-term data has found that people on low-carb diets saw greater weight loss than those on low-calorie ones.†
Weight control isn't the only potential benefit. Lean muscle mass support may be another: in one study, 12 men who adopted a low-carb diet saw their lean mass increase after six weeks.† Energy is a common theme too. As British Ironman competitor Darren Kirby of Fitter Healthier Dad puts it, after going keto his energy levels and focus greatly improved — no more post-lunch naps.
How Keto Works: Your Macro Breakdown
When your body stops receiving carbs, your liver converts fat into ketones that fuel your cells' mitochondria. That fat-burning state is called ketosis — and reaching it comes down to hitting the right macros.
Carbohydrates
About 20–40 grams a day. Choose high-fiber, low-sugar, water-rich picks like asparagus, avocados, bell peppers, blackberries, leafy greens, and tomatoes.
Protein
Aim for 0.8–1 gram per pound of body weight. Go for high-fat sources: beef, natural cheese, dark-meat chicken, whole eggs, lamb, nuts, pork, and fatty fish like salmon and sardines.
Fat
The king of the keto diet. Focus on high-quality, unprocessed options: avocado and olive oils, flaxseeds, natural butter, and full-fat yogurt.
Pro tip: Don't skimp on protein — eat less than recommended and your body may turn to muscle tissue for fuel. When possible, choose pasture-raised, grass-fed, organic meat.
Keto Tailored to a Man's Body
Want the biggest bang for your buck on keto? Try these strategies from Mark Sisson, author of The Keto Reset Diet.
Start Strict
Most men who struggle with keto do better the stricter they are — especially at the start. Commit fully to give your body a clean transition into ketosis.
Experiment Boldly
Men can often tolerate bigger swings in intensity. Sisson suggests testing extremes — like a short fast — to find what works for you. Check with your practitioner first, especially if you have a pre-existing condition.
Keep Lifting
Keto is no excuse to skip the weights. Without heavy lifting (or bodyweight work), you risk the “skinny fat” look. Put those efficient mitochondria to use.
Control Stress
Keto doesn't make you impervious to stress — and neither does being a man. Not into yoga or meditation? Intense workouts and team sports like soccer or rugby can help. Bonus: stress spikes cortisol, a hormone that may work against testosterone.†
Monitor Testosterone
Extra body fat is known to depress testosterone levels — so if keto is helping you lose fat, it may be supporting your T levels too.† Micronutrient gaps in magnesium, vitamin D, and zinc can also play havoc with testosterone. Discuss testing options with your practitioner.
Doing Keto the Right Way
The first days of keto can feel rough — a phenomenon known as the “keto flu” — as your body switches from glucose to ketones as its main fuel source. You may feel more tired, weaker, and thirstier than usual. That's normal while your body adjusts.
How to ease the transition:
- Stay hydrated — drink plenty of water throughout the day.
- Replenish electrolytes — a little extra salt goes a long way.
- Cut yourself some slack — build extra downtime into your schedule so your body has a chance to adapt.
The good news? These symptoms should fade with time — leaving steady energy and a leaner frame in their place.
†The information provided is not an endorsement of any product, and is intended for educational purposes only. NaturesPlus does not provide medical advice and does not offer diagnosis of any conditions. Current research on this topic is not conclusive and further research may be needed in order to prove the benefits described. The conditions and symptoms described may be indicative of serious health problems, and therefore should be brought to the attention of a qualified healthcare practitioner.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.