not automatically begin high-dose vitamin D supplements.
Testing and medical guidance are important.
More is not always better.
## Why Strength Can Matter More Than the Scale
For people concerned about kidney disease, weight often becomes a major focus.
But body weight doesn’t tell the whole story.
Two people can weigh the same amount while having very different amounts of muscle.
A person may also lose muscle while maintaining a relatively stable body weight.
That’s why measures of physical function can be valuable.
Can you climb stairs?
Can you rise from a chair?
Can you carry groceries?
Can you walk comfortably?
Can you maintain balance?
These everyday abilities can provide useful information about physical health.
Muscle health is about more than appearance.
It is about independence.
## Sarcopenia and Kidney Disease
Sarcopenia refers to
