Mice studies do show that they live longer when given supplemental melatonin over the course of their lives, starting in adulthood.[ref][ref][ref][ref] Animal studies also show that melatonin supplementation (beginning in middle to old age) prevents the decrease in bone mass associated with aging.[ref] It also increases mitochondrial function.[ref] Melatonin is necessary to reap the benefits of exercise when aging.[ref] Supplemental melatonin also doubles insulin sensitivity in older animals.[ref] We dont do human studies on chronic calorie restriction to extend lifespan nor have there been long-term studies in humans on supplemental melatonin for fifty-plus years to know the effect

Here's Why Your Moisturizer Isn't Working 4 Ceramides Skin Benefits Worth Knowing About Ceramide skin benefits aren't limited to oily skin, though that's usually where people start looking: Barrier support, which cuts down sensitivity to weather shifts, pollution, and product irritation Better water retention, so texture stays smooth without adding grease Faster recovery after retinoids or acids, both known for wearing the barrier down over time Better performance from other actives, niacinamide included, since a repaired barrier tends to absorb things more evenly None of that argues against using ceramides on oily skin
Other potentially serious adverse events linked to the use of the drug include acute gallstone disease and thyroid neoplasm
So, 47% more people lose more than 10% of body weight on lifestyle interventions with semaglutide compared to lifestyle interventions alone