Metabolism

Metabolism and Age: What You Need to Know

By SlimTide Research Team · Reviewed by Dr. Rachel Simmons, M.D. · Updated June 2026

It's not your imagination — metabolism does change with age. Here's what's happening, and what you can do about it.

Why Metabolism Slows With Age

Muscle mass naturally declines with age (a process called sarcopenia), and since muscle burns more calories than fat, resting metabolic rate tends to drop.

Hormonal Shifts

Age-related hormonal changes can also influence how efficiently the body uses and stores energy.

Mitochondrial Changes

Mitochondrial function — the cellular engines that produce energy — can decline with age, affecting overall metabolic efficiency. See our mitochondria guide.

What Helps

Strength training to preserve muscle, adequate protein, quality sleep, and ingredients like Maqui Berry and Rhodiola that support mitochondrial and cellular health can all help. Slim Tide is designed with this in mind — check the current SlimTide discount on the SlimTide official website.

Age-related metabolic changes are normal. This is general educational information, not a treatment for any medical condition. Consult a doctor about your specific health needs.

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