As we age, our bodies get less efficient at replacing tissue lost during normal wear and tear. This is especially true for muscle protein, which results in a loss of muscle mass. A randomized placebo-controlled trial published in May of 2026 in The American Journal of Clinical Nutrition set out to see if increasing protein intake, supplementing with potassium bicarbonate (a base to lower acidity), or a combination of the two would slow muscle mass loss and/or improve performance in healthy older adults.
To continue reading this article or issue you must be a paid subscriber. Sign in
Subscribe to Tufts Health & Nutrition
Get the next year of Tufts Health & Nutrition for as little as $18. And access all of our back issues and online content free of charge.
Subscribe today and save 36% off the regular rate!