The benefits of strength training & how to get started

Thirty to 60 minutes a week of strength training is linked to a 10% to 20% lower risk of death. What the research shows for muscle, bones, blood sugar, mood and longevity, then seven steps to your first routine.

Read Shop

Free Shipping on Every Meal PlanFree Shipping
Up to 20% Off 30-Meal PlansUp to 20% Off
Chef Cooked, Dietitian BuiltDietitian Built
Heat & Eat in MinutesHeat & Eat

Romaine Rusnak, RD, LDNRegistered Dietitian · May 14, 2023

Clean Eatz Kitchen High Protein Meal Plan box with plated chef-cooked meals

Quick answer

Strength training does far more than build muscle. A Harvard-reported meta-analysis linked just 30 to 60 minutes a week to a 10% to 20% lower risk of dying from all causes, cancer and heart disease. It also raises resting metabolism, strengthens bones and lifts mood. Start with two full-body sessions a week. Bodyweight, bands or a pair of dumbbells is enough.

Strength training can be one of the most useful parts of your fitness routine. It can improve your quality of life, raise your metabolism, and help you reach and keep a healthy weight.

The benefits go well past how you look. Research over the last few years suggests that building muscle is one of the more powerful things you can do for long-term health and longevity. It can also lower your risk of injury, ease stress and support how well you think.

Here's what the evidence shows, sized honestly, and seven steps to get started without a gym membership.

What is strength training

Any work against resistance

Strength training is any exercise that makes your muscles work against resistance. The goal is to challenge them to get stronger by gradually increasing the difficulty. It includes weight lifting, bodyweight exercises, resistance band work, and activities like Pilates and calisthenics that use your own body as the load.

The CDC recommends muscle-strengthening activity at least 2 days a week, working all major muscle groups: legs, hips, back, abdomen, chest, shoulders and arms. That's on top of 150 minutes of moderate aerobic activity.

The beauty of strength training is that it makes everything else easier: carrying groceries, climbing stairs, playing with kids, or doing better at whatever other sport you enjoy.

Physical benefits of strength training

What the research shows

Strength training makes you stronger and builds lean muscle. Strength comes from two places, bigger muscles and a nervous system that learns to recruit them better, as a 2018 Sports Medicine review of muscular strength lays out. That second part is why beginners often get noticeably stronger in the first few weeks, before their muscles look any different.

Metabolism and fat loss. A review in Current Sports Medicine Reports found that 10 weeks of resistance training may add 1.4 kg of lean weight (about 3 pounds), raise resting metabolic rate by 7%, and cut fat by 1.8 kg (about 4 pounds). Inactive adults lose 3% to 8% of their muscle per decade, and resting metabolism falls with it.
Stronger bones and joints. Strong muscles support your spine and posture. The same review reports 1% to 3% increases in bone mineral density with resistance training, and says it may ease low back pain and the discomfort of arthritis. Denser bones matter more every decade.
Better blood sugar control. Resistance training lowers visceral fat, increases the glucose transporters in muscle and improves insulin sensitivity, per the Westcott review. A 2025 Virginia Tech study found resistance exercise beat endurance exercise for insulin sensitivity. That study was in mice on a high-fat diet, so treat it as a promising lead rather than a rule for people.
Cardiovascular health. The same review links resistance training to lower resting blood pressure, lower LDL cholesterol and triglycerides, and higher HDL cholesterol.

Strength training & longevity

Some of the most compelling research is about how long you live. A meta-analysis reported by Harvard T.H. Chan School of Public Health found that people who did 30 to 60 minutes of strength training a week had a 10% to 20% lower risk of dying during the study period from all causes, cancer and heart disease than people who did none. The benefit leveled off after about an hour a week.

A 2024 study of about 412,000 U.S. adults in the Journal of the American College of Cardiology found women gained more than men from the same amount of exercise. Regular activity was linked to a 24% lower risk of death in women and 15% in men. For strength training specifically, as NPR reported, women who did muscle-strengthening work two to three days a week had a 30% lower risk of dying from heart disease. "We don't have many things that reduce mortality in that way," said study author Dr. Martha Gulati of Cedars-Sinai.

A 2024 analysis of 4,814 U.S. adults went further: 90 minutes of strength training a week was associated with 3.9 years less biological aging, measured by telomere length. It was a one-time snapshot, so it shows a link, not cause and effect. Still, the direction matches the larger studies.

Mental health benefits of strength training

Strength training also has mental health benefits such as relieving stress and helping you sleep, which tends to lift your mood overall.

Anxiety drops too. A review in Frontiers in Psychology found that resistance training eases anxiety after single sessions and over longer programs, with the most reliable effects at low to moderate intensity. And a JAMA Psychiatry meta-analysis of 33 randomized trials with 1,877 people found resistance training significantly reduced symptoms of depression, regardless of people's health or how much stronger they got.

Brain health. Early research presented at the Radiological Society of North America in late 2025 scanned 1,164 healthy adults and found that more muscle, with less deep belly fat relative to muscle, tracked with a younger-looking brain on MRI. It's a conference study and an association, but it adds to evidence linking strength to healthier aging of the brain.

For how exercise and mental well-being fit together in a weight loss plan, our Complete Exercise Guide for Weight Loss covers the full picture.

How to get started with strength training step by step

Seven steps to your first routine

Strength training can feel intimidating when you're new to working out, but it doesn't have to be. With a few simple steps you can start safely and effectively.

Step 1:

Step 2: Set realistic strength goals

Know what you're training for

Before you start, ask yourself what you want. To build muscle? Improve your posture? Get stronger overall? Lose fat while keeping muscle? Once you know what you're after, building a plan gets much easier. The research says benefits start quickly, so modest training still counts.

Step 3: Choose a full-body program

All major muscles, twice a week

If you're new, start with a bodyweight program or a full-body routine. The CDC guideline is all major muscle groups at least twice a week, and a full-body session covers them in one go.

Build it on five basic movements: a squat, a hinge, a push, a pull and a core exercise.

Five starter movements
Starter exercise	Pattern	Next step up
Bodyweight squat	Squat	Goblet squat with a dumbbell
Glute bridge	Hinge	Dumbbell Romanian deadlift
Incline push-up	Push	Floor push-up or dumbbell press
Band row	Pull	One-arm dumbbell row
Plank	Core	Longer holds or side planks

Five starter movements

When you're ready to progress, our guide to the best exercises for weight loss has detailed routines.

Step 4: Start with bodyweight or simple equipment

No gym required

You don't need a gym membership or expensive equipment. Bodyweight exercises like squats, push-ups, lunges and planks work well. As you progress, resistance bands, a set of dumbbells or a stability ball give you more variety without breaking the bank.

The key is consistency, not complexity. Start where you are, with what you have.

Step 5: Learn proper form first

Control before load

Safety comes first with any new exercise. Keep your movements controlled and deliberate so you don't strain or overwork a muscle. If you're unsure about form, book a few sessions with a personal trainer or use reputable video tutorials. Add resistance only once the technique feels comfortable.

Step 6: Schedule 2 to 3 short sessions a week

Twenty to thirty minutes is enough

You don't need marathon sessions. Two or three sessions of 20 to 30 minutes, covering all major muscle groups, land in the 30 to 60 minutes a week that the Harvard-reported analysis linked to a lower risk of death. More than about an hour a week didn't add to that benefit.

Rest at least a day between sessions that work the same muscles. CNN's December 2025 guide suggests at least 48 hours and makes the point plainly: muscle building happens while you rest, not while you work out. Seven to nine hours of sleep helps that repair.

Step 7: Progress gradually

A little harder every week or two

Muscles adapt to what you ask of them, so the challenge has to grow. When a set feels easy, add a few reps, a little weight, a slower tempo, or a harder version of the move from the table above. Change one thing at a time.

Never trade form for heavier weight. A lighter load done well builds more strength than a heavy one done badly, and it keeps you training instead of recovering from a strain.

Step 8: Fuel your training with protein

The raw material for muscle

Strength training creates the signal for muscle growth. Food provides the raw materials, and protein matters most.

CNN's guide, aimed at adults getting older, suggests 1.2 to 1.6 grams of protein per kilogram of body weight a day, spread across meals. That's roughly 80 to 110 grams for a 150-pound person, or about 27 to 37 grams at each of three meals.

High protein meals for strength training

When protein is the hard part

Hitting 30 grams of protein three times a day is simple on paper. On a busy week, it's the step that slips.

Our High-Protein Meal Plan adds 2 extra ounces of meat to each meal, about 10 grams more protein and 50 more calories than our regular recipes, for meals that run about 500 calories or more. It starts at $63.00 for 6 meals. Across our current menu, protein runs from 20 to 55 grams a meal, and every meal's numbers are on our Nutrition Info page.

If you're combining strength training with a weight loss goal, our Weight Loss Meal Plan is portion-controlled and calorie-controlled, which makes a steady calorie target easier to hold while you train. Both heat in a few minutes, there's no subscription, and meal plan orders ship free to the contiguous 48 states.

The bottom line on strength training

Living better & longer

Strength training isn't just about looking better. It's about living better, and probably longer. The evidence from large studies points the same way for physical health, mental health, metabolism and longevity, and you don't need hours in a gym to get it.

Whether you're 25 or 75, new to exercise or coming back after a break, it's not too late to start. As NPR's Life Kit beginner guide puts it: "The science is clear that resistance training has massive benefits for your health and well-being."

Start with two sessions a week. Focus on form. Progress gradually. And give your body the protein it needs to recover and grow stronger. The muscle you build now pays you back for decades.

Strength training FAQ

Quick answers

How often should I do strength training?

The CDC recommends muscle-strengthening activity at least 2 days a week, working all major muscle groups. That's enough for meaningful health benefits. A Harvard-reported meta-analysis linked 30 to 60 minutes a week to a 10% to 20% lower risk of death, with no extra benefit past about an hour. Leave a rest day between sessions for the same muscles.

Can strength training help me lose weight?

Yes. It builds lean muscle, which raises your resting metabolic rate. One review found 10 weeks of resistance training may add about 3 pounds of lean weight, raise resting metabolism by 7% and cut about 4 pounds of fat. Paired with a sensible calorie target and enough protein, it helps you lose fat while keeping muscle.

Is strength training safe for beginners?

Yes, when done properly. Start with bodyweight exercises like squats, push-ups and planks to learn good form, then move to light weights or bands after a few weeks. Keep movements controlled, never trade form for heavier weight, and rest between sessions. Check with your doctor first if you have a heart condition or recent injury.

How long should a strength training workout be?

Shorter than most people think. Research links 30 to 60 minutes a week in total to significant health benefits, so two or three sessions of 20 to 30 minutes covering all major muscle groups is plenty to start. Focus on good form and gradually harder work rather than longer workouts.

Will strength training make women bulky?

No. Women have much lower testosterone than men, which makes building large muscles physiologically difficult. Strength training helps women build lean muscle, support metabolism, protect bone density and reduce body fat. And in a 2024 study of about 412,000 adults, women gained more mortality benefit than men from the same amount of exercise.

Sources

Tap a meal count to add

30 meals work out to $7.56 a meal

View plan details