Lifting weights isn’t just about building muscle — it’s about building strength, confidence and long-term wellness. For women who strength train, nutrition plays a pivotal role in how the body performs, recovers and grows stronger.
Unsure how to properly fuel your body to support your goals? Megan Schmalenberger, MS, RDN, LD, CNSC, Sr. Clinical Dietitian at OhioHealth, breaks down the essentials of eating for strength. From daily protein needs to post-workout snacks, here’s what you need to know.
The importance of strength training for women
Strength training is important to maintaining energy, muscle mass and improving bone density, which is key for preventing conditions like osteoporosis as women age. Over time, people naturally lose muscle mass. But for women going through menopause, maintaining bone health is even more of a concern.
“Estrogen is a bone-building hormone. So, when women reach menopause and their estrogen levels drop, strength training becomes even more important for protecting bone health,” explains Schmalenberger.
Proper nutrition can help support training goals like increasing lean muscle mass and improving overall strength. It’s also critical for muscle recovery and injury prevention. The repair and recovery process after lifting requires fuel — particularly protein and carbohydrates — along with micronutrients that support muscle function and energy production.
Common misconceptions about eating for strength
One of the biggest misconceptions Schmalenberger sees is women under-eating, especially when it comes to protein and total calories. “Many women are concerned about bulking up, so they avoid eating enough to support their training,” she said. “But we’re structured differently than men, and we don’t immediately put on the same amount of muscle mass.”
This fear of getting bulky is widespread but unfounded. Building large amounts of muscle requires a significant calorie surplus. Most women who lift need more — not less — nutritional support. Skipping meals, under-eating or restrictive diets are common mistakes.
“The biggest nutrition error I see is women not eating enough to support their workouts,” says Schmalenberger. “That can lead to stalled progress, fatigue or even injury.” If women are not eating enough, your body can go into survival mode and start storing everything, rather than using it to fuel and recover as it should.
Schmalenberger adds that women need more fat than men, physiologically, for reproductive health and hormone balance. Women burn fat differently during exercise. “Fat supports energy, hormone health, immune function and vitamin absorption,” says Schmalenberger. “It shouldn’t be feared — it’s essential. Try 2% or whole milk instead of the non-fat or fat-free version. You’ll stay fuller longer and support your hormone health.”
How much protein do women who lift really need?
Protein is crucial for muscle repair and recovery, but many women underestimate how much they need. While protein needs vary by age, weight and activity level, Schmalenberger recommends aiming for 1.2 to 1.6 grams of protein per kilogram of body weight per day. For example, an active woman that weighs 160 lbs. should consume 87-116 grams of protein per day.
“If you’re lifting consistently, protein should be spread out throughout the day — ideally 20-30 grams per meal and 10-15 grams for a snack,” she recommends. Schmalenberger recommends trying to get your protein through whole foods like meat, fish, legumes, tofu and soy products before turning to supplements, as these often give you other beneficial nutrients that are important for overall health.
For postmenopausal women or those recovering from injury, protein needs may increase. “Age-related muscle loss is a real concern,” Schmalenberger adds. “And good nutrition can help mitigate it.”
Balanced macronutrients and plate-building
While protein gets most of the attention, other macronutrients like carbohydrates and healthy fats are also critical. “Carbs are your body’s main source of fuel during a workout,” said Schmalenberger. “Without them, your energy and performance can drop.” Fats — particularly those from sources like olive oil, avocado, nuts and seeds — support hormone function and help you feel satiated.
Pre- and post-workout meals are just as important as your sets and reps. “Before a workout, aim for a mix of protein and carbs,” says Schmalenberger. “Afterward, make sure to refuel within 30-60 minutes of the workout’s completion.” She recommends:
Pre-workout:
- A balanced meal or snack with carbs and some protein 1-2 hours before lifting. Try a banana with peanut butter, Greek yogurt with fruit or whole grain toast with peanut butter and jelly.
Post-workout:
- Aim for a meal or snack within 30-60 minutes that contains both protein and carbs, like a turkey sandwich, chocolate milk or a protein smoothie with fruit.
For weight management and strength, work on building a balanced plate. Half your plate should be non-starchy vegetables. One quarter should be complex carbs like potatoes, brown rice, whole wheat pasta, lentils or beans. The last quarter will be your lean protein. Schmalenberger stresses that the nutritional value of the food you eat is important: “The quality of your calories matters. A home-cooked, balanced meal supports lean body mass better than fast food, even if the calories are the same.”
Micronutrients that matter
Beyond macros, active women should pay attention to nutrients like iron, calcium, magnesium and vitamin D.
Iron:
- Essential for maintaining energy levels and oxygen transport, especially for menstruating women.
Calcium and vitamin D:
- Support bone health, which is critical for women at every life stage.
Magnesium:
- Helps with muscle function and can reduce cramps or soreness. Helps the body better absorb calcium and activate vitamin D.
B12:
- Boosts energy, helps prevent anemia, and supports nerve and cell health.
“If you’re feeling sluggish, dizzy or overly sore, it might be a micronutrient issue, not just overtraining,” says Schmalenberger. She adds that you should always talk to your doctor before starting a supplement.
How strength training can support other health goals
Strength training doesn’t have to compete with weight management or endurance goals. In fact, building muscle can boost your metabolism and support long-term fat loss. “The scale might not move much, but your body composition can change dramatically,” said Schmalenberger. “Don’t underestimate the power of non-scale victories like feeling stronger, lifting heavier or having more energy.”
Strength training can be a transformative experience for women, both physically and mentally. But to truly unlock your potential, nutrition has to be part of the equation. Whether you’re lifting for health, strength or confidence, the right fuel can make all the difference.
Looking to get started with weightlifting? Join the conversation! On this episode of The Wellness Conversation, an OhioHealth podcast, our hosts and OhioHealth expert talk about how to safely start a lifting routine.
