Foundational Protocol

Creatine and whey are the two supplements with the deepest scientific evidence in sports nutrition — both consistently rank in the top evidence tier of every major umbrella review of exercise supplements.

They do different jobs: creatine fuels cellular energy and strength output; whey delivers fast amino acids to trigger muscle protein synthesis. Complementary, not redundant.

For healthy adults with stable baseline function, no special monitoring beyond standard primary care intervals is supported by the literature. The two confounders to flag: serum creatinine elevation from supplementation (use cystatin C or eGFR if monitoring) and the typical post-prandial GFR bump from high-protein meals. Patients with pre-existing CKD should be discussed with nephrology before initiation.

Co-ingestion with carbohydrate or carbohydrate + protein modestly increases muscle creatine retention via insulin-mediated transport. The effect size is small and washes out at full saturation. We recommend the protocol because the compliance benefit of one shake is larger than any kinetic optimization.

Both are flexible — total daily intake matters more than exact timing. Whey works any time you want a quick protein boost; around your workout is convenient but not required. Creatine works at any time of day, every day, since consistency over weeks is what builds up your muscle stores. Easiest approach: mix both into one daily shake whenever fits your schedule.

The signal is consistent: combined with progressive resistance training, creatine 5 g/day plus whey 25 g post-training improves lean mass retention, leg-press 1RM, and femoral neck BMD in post-menopausal cohorts at 12-52 week follow-up. As monotherapy without resistance work, the bone density signal disappears — exercise is the necessary co-intervention.