How to boost metabolism naturally starts with knowing what your metabolism actually is: the energy your body uses to stay alive, digest food and move. You cannot change your genes, but you can influence the parts you control. Building and keeping muscle, eating enough protein, moving more throughout the day and sleeping well are the habits with the best research behind them. Quick fixes add far less than these four.
Key takeaways
- Building and keeping muscle, eating enough protein, moving more throughout the day and sleeping well are the habits with the best research behind them.
- Protein takes more energy to digest than carbohydrates or fat.
- Everyday movement outside the gym, called NEAT, can add up to more energy use than a workout.
- Caffeine and green tea give a modest, short-lived lift, so they work best on top of the basics.
What makes up your metabolism?
Researchers split daily energy use into three parts:
- Resting metabolism - the energy to keep your heart, brain, organs and muscles running at rest. It is the largest share for most people.
- The thermic effect of food - the energy used to digest, absorb and store what you eat, roughly a tenth of the day's total.
- Activity - planned exercise plus all the other movement in your day, from walking to fidgeting.
A large study of energy use across the human life span, published in Science in 2021, found that metabolism stays fairly steady through most of adulthood once body size is taken into account. That is good news: the habits below still matter, at any stage.
How to boost metabolism naturally: what the research supports
Build and keep muscle with strength training
Muscle is active tissue that uses energy even at rest, so keeping it matters. The CDC's guidelines suggest muscle-strengthening activity on two or more days a week, working all major muscle groups. Body-weight moves, bands and free weights all count. The bigger benefit may be what strength brings to daily life: easier stairs, steadier balance, more confident movement.
Eat enough protein
Protein takes more energy to digest than carbohydrates or fat. It also helps you stay full and supports the muscle you are working to keep. Aim for a protein source at each meal rather than saving it all for dinner.
Move more outside of workouts
Researchers call it NEAT, non-exercise activity thermogenesis: the energy you use walking, standing, cooking, cleaning and carrying groceries. Work by Dr. James Levine at the Mayo Clinic showed that NEAT varies widely between people and can make a large difference to daily energy use. Simple ways to raise it:
- Take a short walk after meals.
- Stand or pace during phone calls.
- Use stairs when you can.
- Set a reminder to get up once an hour.
Sleep seven or more hours
Sleep and metabolism are closely linked. In a controlled study, one night without sleep lowered next-morning energy use compared with a normal night. Short sleep also shifts appetite hormones toward more hunger. The CDC recommends at least seven hours a night for adults.
Do not under-eat for long stretches
Very low intake for long periods can lead the body to conserve energy and can cost muscle. Steady, balanced meals built around protein, fiber and vegetables support the habits above better than crash plans.
Do caffeine and green tea help?
Caffeine and green tea catechins have been studied for a modest, short-lived rise in energy use. The NIH Office of Dietary Supplements describes the effect as small. They work best on top of the basics, not in place of them, and they need planning: count all your caffeine sources and keep them earlier in the day.
If you want a morning formula built around them, Active Boost+™ helps boost metabolism, boosts energy and supports mental focus.* The label direction is one capsule in the morning, never more than two in 24 hours, none after 4 PM, and no longer than 8 weeks straight followed by at least 2 weeks off. It is a stimulant formula, so read its warnings and talk to your physician first if any apply to you. Our guide to caffeine and metabolism covers what to know before trying a thermogenic.
A one-week starter plan
| Day | Focus |
|---|---|
| Monday | Strength session, 20-30 minutes, all major muscle groups |
| Tuesday | Walk after lunch and dinner; protein at breakfast |
| Wednesday | Stand for calls; screens off 30 minutes before bed |
| Thursday | Strength session; add a vegetable to every meal |
| Friday | Take the stairs; keep caffeine before noon |
| Weekend | A longer walk, hike or bike ride; same bedtime both nights |
Quality matters if you add a supplement
If you do add a formula, choose one that shows its ingredients and is tested. Every batch of ours is third-party tested for purity and potency by an outside lab, and manufactured in USA with globally sourced materials in an NSF-certified, GMP-certified, FDA-registered facility. See our standards.
Frequently asked questions about how to boost metabolism naturally
What is the most effective way to boost metabolism?
Building and keeping muscle through regular strength training, combined with enough protein and daily movement, has the strongest support. Sleep and steady meals help those habits work.
Does drinking water boost metabolism?
Staying hydrated supports every process in the body, and some small studies have looked at a brief rise in energy use after drinking water. The bigger benefit is practical: water helps you tell thirst from hunger.
Does eating small, frequent meals speed up metabolism?
The energy used to digest food depends mostly on how much and what you eat in a day, not how often. Choose the meal pattern that keeps you satisfied and makes protein easy to fit in.
Can a supplement boost metabolism on its own?
Ingredients such as caffeine and green tea have been studied for a modest effect. A supplement can support a healthy metabolism alongside a sensible diet and regular activity, but it does not replace them.
Does poor sleep slow metabolism?
Research suggests it can. In one controlled study, a night without sleep lowered next-morning energy use, and short sleep also raises hunger hormones the next day.
Related reading from our Wellness Hub
- Caffeine and Metabolism: What to Know Before a Thermogenic
- Heart-Healthy Habits: Food, Movement and Sleep Basics
- Daytime Energy & Metabolism: Meet Active Boost+
Sources
- Pontzer H, et al. Daily energy expenditure through the human life course. Science, 2021
- Levine JA. Non-exercise activity thermogenesis (NEAT). Best Practice & Research Clinical Endocrinology & Metabolism, 2002
- Benedict C, et al. Acute sleep deprivation reduces energy expenditure in healthy men. American Journal of Clinical Nutrition, 2011
- CDC: Physical Activity Guidelines for Adults
- CDC: About Sleep
- NIH Office of Dietary Supplements: Dietary Supplements for Weight Loss, Fact Sheet for Health Professionals
Individual results vary.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
