Cutting zinc from the diet of adult male mice actually helps their bodies process sugar better and improves insulin sensitivity, while having no effect on female mice. This suggests that low zinc levels might boost how male mice handle blood sugar without causing overall diabetes-like problems.

When mice are fed a diet with almost no zinc, they eat and drink significantly less, especially during the day. This lack of zinc might mess with their hunger signals, making them feel full faster and causing them to lose weight.

When mice don't get enough zinc in their food, they lose muscle and overall weight instead of fat. This shows that zinc is really important for keeping muscle strong and building new tissue.

When adult mice are fed a diet with almost no zinc for six weeks, they become much less active and burn fewer calories, essentially slowing down their metabolism. This shows that getting enough zinc is important for keeping mice energetic and metabolically healthy.

Feeding mice a diet with almost no zinc for six weeks makes them eat less and move less, but their overall calorie balance stays the same. This means any weight they lose comes from changes in their body's tissues, not from burning more calories than they eat.

When adult rats don't get enough zinc in their diet, their bodies burn energy at a slower rate, even if they're eating less just because they're being fed the same amount as a control group. This suggests that low zinc levels directly tell the body to slow down its metabolism.