Researchers gave 200 postmenopausal women 3 grams of creatine a day for two full years. No workout program. At the end, creatine hadn’t improved bone health or physical function compared with placebo. Two years, no added benefit.
The study that did something
A different team paired creatine with a resistance training and walking program for two years. The creatine group gained more lean tissue and walked faster than women who did the same training without it. Across 22 trials and 721 older adults, creatine plus strength training added about 1.4 kg (3 lbs) of lean tissue beyond training alone.
Same ingredient. Opposite results. The difference was the work.
Why. Creatine works best when your muscles do. It refuels the muscle between efforts, so you get one more rep, one more set, a little more weight on the bar. That extra work is the signal. Muscle answers it by growing.
Bone listens to muscle
Every time a muscle contracts, it pulls on the bone it’s
anchored to. That pull is the message bone responds to. This
matters, because women can lose up to 20% of their bone density
in the 5–7 years
after menopause.
Heavy lifting can push back
In the LIFTMOR trial, women with low bone mass did 8 months of
supervised heavy training. Their spine density rose 2.9% while
the lighter-exercise group lost ground. And the program proved
safe for them.
The honest part
In that two-year creatine study, bone density itself didn’t
change — though a few measures of the hip’s structure
improved. Creatine is a training amplifier, not a bone pill.
Your takeaways
1
Creatine alone, 2 years: no change. Creatine plus lifting: ~3 lbs more lean tissue.
2
Up to 20% of bone density can go in the 5–7 years after menopause.
3
Heavy lifting raised spine density 2.9% in 8 months — safely.
4
Muscle pulling on bone is the signal. No pull, no signal.
NEXT TUESDAY
Exactly how to take it, and the training rule that makes it work.