How to Speed Up Your Metabolism After 60
The belief that a slow metabolism after 60 is simply inevitable—something to accept and manage, but not reverse—is one of the most damaging myths in medicine. While it is true that metabolic rate declines with age, the magnitude of this decline is largely determined by factors that can be directly addressed: muscle mass, hormone levels, thyroid function, physical activity, and nutritional habits. For patients who take a proactive, medically informed approach, meaningful metabolic restoration is achievable at any age.
Build and Preserve Muscle Mass
Skeletal muscle is the metabolic engine of the body. Each pound of muscle burns approximately 6–10 calories per day at rest, compared to 2 calories per pound of fat. More importantly, muscle is the primary site of glucose disposal—meaning that more muscle directly improves insulin sensitivity and reduces the metabolic dysfunction that drives fat accumulation.
Progressive resistance training—lifting weights or using resistance bands in a structured, progressive program—is the single most powerful intervention for reversing sarcopenia (age-related muscle loss). Even adults in their 70s and 80s have been shown in clinical trials to increase muscle mass and strength significantly with consistent resistance training. Aim for two to four sessions per week, focusing on compound movements: squats, deadlifts, rows, presses, and lunges.
Pair resistance training with high protein intake. The anabolic threshold for muscle protein synthesis in older adults is higher than in younger people—research suggests that adults over 60 benefit from consuming 30–40 grams of high-quality protein per meal (rather than the smaller amounts that suffice for younger adults) to maximally stimulate muscle repair and growth.
Optimize Protein Intake
Total daily protein intake should be 1.6–2.2 grams per kilogram of body weight for active adults over 60. Prioritize leucine-rich proteins—found in animal products, whey, and legumes—as leucine is the primary amino acid trigger for muscle protein synthesis. Distribute protein intake evenly across three to four meals rather than consuming most of it at dinner, as the body can only utilize roughly 40–50 grams per meal for muscle synthesis.
Support Thyroid Function
The thyroid gland produces hormones (primarily T4, converted peripherally to active T3) that regulate the metabolic rate of every cell in the body. Hypothyroidism—underactive thyroid—becomes increasingly common with age, affecting an estimated 10–15% of adults over 60. Even subclinical hypothyroidism (mildly elevated TSH with normal T4) is associated with fatigue, weight gain, cold intolerance, constipation, brain fog, and depression.
Standard TSH testing often misses functional hypothyroidism. A comprehensive thyroid panel—including free T3, free T4, reverse T3, and thyroid antibodies—provides a much more complete picture of thyroid function. Optimizing thyroid hormone levels, when deficient, can restore resting metabolic rate and dramatically improve energy, mood, and body composition.
Address DHEA Deficiency
DHEA (dehydroepiandrosterone) is the most abundant steroid hormone in the body at its peak in the mid-20s—and declines by approximately 80–90% by age 70. DHEA serves as a precursor to both testosterone and estrogen and has independent metabolic effects including improving insulin sensitivity, reducing visceral fat, and supporting lean body mass. Supplementing DHEA to restore youthful physiological levels (under medical supervision with lab monitoring) can meaningfully support metabolic health in older adults.
Restore Sex Hormones with BHRT
Testosterone plays a critical role in metabolism for both men and women. In men, low testosterone directly reduces muscle mass, increases visceral fat, worsens insulin resistance, and suppresses motivation and energy—all of which compound to slow the metabolism. In women, declining estrogen after menopause shifts fat storage from the hips to the abdomen and impairs mitochondrial function in muscle tissue.
Bioidentical hormone replacement therapy (BHRT) can restore testosterone, estrogen, and progesterone to levels optimal for metabolic health. Studies on testosterone replacement in hypogonadal men consistently show improvements in lean body mass, reductions in fat mass, and improvements in insulin sensitivity. Estrogen therapy in women has been associated with preserved muscle mass, improved glucose metabolism, and reduced visceral adiposity.
Move More Throughout the Day
Non-exercise activity thermogenesis (NEAT)—the calories burned through everyday movement like walking, fidgeting, standing, and climbing stairs—can account for 300–600 additional calories burned per day for active individuals compared to sedentary ones. This difference is substantial and accumulates over time. Set a goal of 8,000–10,000 steps per day. Use a standing desk. Park farther away. Take calls while walking. These habits require no gym time and have a meaningful aggregate effect on metabolic rate.
Prioritize Sleep and Stress Management
Chronic sleep deprivation raises cortisol, suppresses growth hormone secretion (which peaks during deep sleep), and impairs insulin sensitivity. Adults over 60 are particularly susceptible to sleep disruption from hormonal changes, sleep apnea, and medication side effects. Addressing these factors—including screening for sleep apnea—is a metabolic intervention in its own right.
A Personalized Plan Makes All the Difference
Metabolism after 60 is not a fixed destiny. With the right combination of resistance training, nutrition, thyroid optimization, BHRT, and lifestyle strategies, patients can achieve a metabolic profile that rivals—and sometimes surpasses—where they were a decade earlier. Kenton Bruice, M.D., provides comprehensive metabolic and hormonal evaluations for patients at his Denver, Aspen, and St. Louis clinics. Contact Dr. Bruice today to build a personalized plan for metabolic vitality.