The present invention provides a dietary or food supplement for healthy humans
that includes a combination of 4-hydroxyisoleucine and creatine, or nutraceutically
acceptable derivatives of these two compounds. The supplement may include additives
such as carbohydrates or amino acids. The invention further includes a regimen
for supplementing a healthy athlete's diet by administering on a regular basis
to the athlete 4-hydroxyisoleucine and creatine, or nutraceutically acceptable
derivatives of these two compounds. The invention also provides a method for enhancing
the body's absorption and utilization of a nutrient, comprising administering 4-hydroxyisoleucine
or a nutraceutically acceptable derivative thereof in combination with the nutrient.
