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Should We Be Taking Creatine?

6 min read

Creatine is one of the most extensively studied supplements, but what do we actually know about its benefits for women, and is it something more women should consider?

By The Oia Team ·

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In this article
  1. What is Creatine?
  2. Strength and Muscle Health
  3. Memory, Focus, and Mood
  4. Do Women and Men Differ When It Comes to Creatine?
  5. Creatine as You Age
  6. Common Fears About Creatine
  7. How Can You Incorporate Creatine Into Your Routine?
  8. Citations

For years, creatine has been associated with bodybuilding, heavy lifting, and gaining muscle. It’s been marketed largely toward men, and for many women, the idea of taking creatine brings up concerns about weight gain, bloating, or getting too bulky.

But the conversation around creatine has started to shift. Researchers are exploring benefits that go beyond building muscle, including potential effects on memory, focus, and mood.

Creatine is one of the most extensively studied supplements, yet much of the research has historically focused on men. So, what do we actually know about its benefits for women, and is it something more women should consider?

What is Creatine?

Creatine is a compound your body naturally produces, and it’s also found in foods like meat and fish.

Most of the creatine in your body is stored in your muscles, where it helps regenerate energy during physical activity. It’s also found in your brain, where it supports the energy needed for cognitive functions like memory, learning, and concentration.

Strength and Muscle Health

When you strength train, your muscles need energy to get through repeated movements, especially during heavy sets. Creatine helps replenish that energy, so you can keep your performance up and possibly build up to more reps or heavier weights. Over time, creatine can support muscle growth and maintenance so you can get more out of your training.

According to research, after age 35 both men and women lose around 0.5% of muscle mass and 1% of strength per year. Building and maintaining muscle is crucial for women because they generally reach a lower peak muscle mass than men, which means they may reach a point of significant muscle loss earlier in life.

Building muscle isn’t just about strength, it’s about longevity. Muscle mass supports your metabolism, balance, bones, and independence for decades to come.

Side note

Creatine doesn’t build muscle on its own. To see the best results from creatine, it’s important to pair it with consistent resistance training, which actually stimulates muscle growth and helps build strength.

Memory, Focus, and Mood

Just like your muscles, your brain requires energy to function, so the benefits of taking creatine may go beyond athletic performance and strength.

One study suggests creatine availability can help support memory, attention, and mental performance, particularly when the brain is under stress. Another study found people taking creatine had improvements in certain measures of memory, attention, and processing speed.

Side note

There wasn’t a consistent improvement in overall cognitive function.

Do Women and Men Differ When It Comes to Creatine?

Women and men both naturally produce and store creatine, but there are differences in how their bodies use and regulate it.

On average, women have 70-80% lower total creatine stores, largely because they tend to have less muscle mass.

Source

Read the full study

Hormones like estrogen and progesterone may also influence creatine metabolism, meaning the way women produce, store, and use creatine could change throughout their lives.

This pattern has led researchers to explore whether creatine could be particularly beneficial during different stages of reproductive life, from menstruation to menopause.

Creatine as You Age

When looking at muscle health as women age, the research becomes particularly interesting.

During menopause, estrogen levels naturally decline and women become more susceptible to losing muscle mass and strength. This explains why maintaining muscle becomes increasingly important for mobility, physical health, and staying active as you get older.

Creatine may help support muscle maintenance during this transition, especially when combined with resistance training.

Worth knowing

A 2026 review of clinical trials found that postmenopausal women taking creatine experienced modest improvements in lean muscle mass and strength, particularly alongside resistance training. However, the studies did not show meaningful improvements in bone mineral density.

The important distinction is that creatine isn’t a replacement for exercise. The strongest results in older women have generally come from combining supplementation with resistance training, rather than taking creatine on its own.

Common Fears About Creatine

Weight Gain

Some people notice a small increase in body weight after starting creatine, particularly when taking higher doses during a loading phase.

This is generally related to water being stored in the muscles as creatine levels increase, rather than an increase in body fat.

Not everyone experiences noticeable weight changes, and studies involving women have not consistently found significant weight gain compared with placebo.

Bloating

Some people experience digestive discomfort, particularly when taking large amounts of creatine at once. However, research involving women hasn’t found a consistent increase in gastrointestinal side effects compared with placebo.

Taking a smaller daily dose instead of a high-dose loading phase, along with staying well-hydrated, may help reduce digestive discomfort if you do experience bloating.

Bulking

Creatine doesn’t build large amounts of muscle. It helps your muscles produce energy during high-intensity exercise, which can help you train harder or perform more repetitions over time. Muscle growth still depends on your training, nutrition, and consistency.

Women also have much less testosterone than men, which makes building large amounts of muscle much harder. Taking creatine alone won’t suddenly change your body composition or make you significantly more muscular.

Acne

There isn’t strong scientific evidence showing that taking creatine directly causes acne.

Some concerns come from discussions about hormones and whether creatine affects androgen activity, but research has not established a direct connection between creatine and acne breakouts.

How Can You Incorporate Creatine Into Your Routine?

If you’re interested in trying creatine, you don’t need an elaborate supplement routine or a different version from the ones marketed to men. You can skip the pink tax.

  • Choose creatine monohydrate. It’s the most extensively researched form, and there’s little evidence that more expensive versions provide better results. Look for a product that’s independently tested for quality and purity.
  • Start with 3–5 grams daily. This is a commonly studied maintenance dose for healthy adults. You don’t need to begin with a high-dose loading phase, although it may take several weeks for muscle creatine stores to increase.
  • Focus on consistency. Creatine works by gradually increasing the amount stored in your muscles, so taking it consistently matters more than whether you take it before or after a workout.
  • Stay hydrated. Creatine affects how water is stored in your muscles, so maintain adequate fluid intake throughout the day, especially when exercising. You don’t need to force yourself to drink excessive amounts of water.
  • Consider your goals. If you’re regularly strength training or looking to maintain muscle as you age, creatine may be worth considering. If you’re primarily interested in its cognitive or mood benefits, the evidence is still developing.

Oia is not a medical or nutrition authority. This is general information, not professional advice. Check with your doctor or a qualified professional before changing your exercise or diet.


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