Creatine and exercise in older adults: a review

🔍 Introduction

This review looked at whether adding creatine to exercise training helps older adults get stronger and change their body composition. The study type is not clearly specified, so findings should be viewed with caution.

📊 What the study did

Researchers combined results from 20 earlier studies, including 1,093 older adults (69% women, 31% men). They compared creatine plus exercise to a placebo plus exercise, measuring strength, body fat, and bone density.

📈 What it found

• Creatine plus exercise improved one-repetition maximum strength by about 2.1 kg compared to placebo.
• Body fat percentage decreased slightly more with creatine plus exercise than with placebo.
• No significant difference was found in total body bone mineral density between the groups.

💡 What it means

In older adults, adding creatine to an exercise program may help increase strength and reduce body fat. The effect on bone density remains unclear and needs more research.

The study tested the combination of creatine and exercise against exercise alone. It does not claim creatine alone works without exercise, nor that it affects bone health.

⚠️ What it does NOT show

• It does not show creatine is safe for all older adults.
• It does not show effects on bone density or fractures.
• It does not show benefits for people who do not exercise.

📋 Evidence level

A systematic review and meta-analysis of existing studies, but the study type is not clearly specified.

🎯 Confidence indicator

Confidence: Moderate — based on a review of multiple studies, but with unclear study type.

🔒 How much to trust it

Trust tier: Moderate. This is a review of many studies, which adds strength, but the lack of a clearly specified study type means caution is warranted.

🛑 Limitations

• The study type is not clearly specified.
• Results come from a review, not a single controlled experiment.
• Details on exercise programs and creatine doses were not reported.

❓ Open questions

• What is the optimal creatine dose and exercise type?
• Does creatine affect bone density over longer periods?
• Are results similar for men and women separately?

📝 Your action plan

• If you are an older adult, consider discussing creatine supplementation with a professional before starting.
• Engage in regular exercise training, as the study combined creatine with exercise.
• Focus on strength training, as the study measured improvements in strength.
• Do not expect creatine to improve bone density, as the study found no effect.

🏁 Takeaway

Creatine plus exercise may help older adults gain strength and lose body fat, but bone density effects are unproven.

📚 Source

Impact of creatine supplementation and exercise training in older adults: a systematic review and meta-analysis. European review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity. 2025 PubMed