Nutrition Series 7: Creatine
Dr. Garcia does blog topics on “hot and new” topics in the community. See his monthly vlog videos below.
In this video, Dr. Grant H. Garcia highlights creatine as one of the most underutilized pre-operative and post-operative supplements in orthopedic care, breaking down its biological benefits and debunking common myths surrounding its use.
Here is a summary of the core medical insights he shares:
- Debunking the Pre-Surgery Cessation Myth: Dr. Garcia addresses a common mistake where patients or athletes abruptly stop taking creatine before an upcoming surgery due to vague safety concerns. He clarifies that this is incorrect and that maintaining appropriate creatine intake is actually highly beneficial for the recovery process.
- The Biological Benefits of Creatine: Mechanically, creatine supplementation increases cellular phosphocreatine availability and significantly improves muscle energy buffering. From a surgical standpoint, this cellular energy boost directly helps reduce rapid muscle loss during post-operative joint immobilization and accelerates strength gains once physical rehabilitation begins.
- Combating Wasting and Preserving Muscle: Clinical data strongly supports creatine's ability to attenuate (weaken) muscle atrophy during periods of forced disuse. By retaining a higher baseline of lean muscle mass following an injury or surgery, patients are set up for a much faster and more effective rehab cycle. Dr. Garcia notes this is particularly valuable for lower extremity surgeries (such as ACL or meniscus procedures), where muscle wasting happens rapidly.
- Addressing the Kidney Safety Myth: The video firmly dispels the myth that creatine causes kidney damage. Dr. Garcia explains that as long as a patient remains well-hydrated and adheres to standard medical dosing, there is absolutely no evidence of kidney harm in individuals with healthy baseline kidney function.
- Dosing Guidelines and Clinical Exceptions:
- Standard Protocol: Dr. Garcia recommends a daily dose of 3 to 5 grams per day, taken both pre- and post-operatively. While a higher "loading phase" can be utilized post-operatively when transitioning back into heavier exercise, a steady daily dose is highly effective.
- The Absolute Exception: The primary clinical exception to this rule is baseline kidney disease. If a patient has pre-existing kidney issues, clearing the supplement can be troublesome, meaning they must consult their primary care physician before starting.










