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Doctor's Recommendation Guide
Doctor's Recommendation Guide

Q. Is it okay to drink only protein shakes while dieting? What kind of diet does the clinic recommend?

A.

While protein shakes are convenient for nutritional supplementation, relying on them exclusively for long periods can impair digestive function and lead to nutritional imbalances. Rather than a one-size-fits-all answer, we recommend determining whether to use them as a meal replacement or a supplement based on your current digestive capacity and metabolic state.

📝 Detailed Answer

Many people try shake-only diets for quick results, but this often leads to bloating and a significant drop in energy. While shakes are convenient for busy professionals and help maintain muscle mass, they have a notable drawback: because they bypass the chewing process, fewer digestive enzymes are secreted, which can sensitize the intestinal environment. In Traditional Korean Medicine (TKM), this condition is viewed as 'Bi-heo' (Spleen Deficiency). When the function of the Spleen—specifically the ability to digest and absorb nutrients—weakens, the metabolism actually slows down, creating a body type that is more resistant to weight loss. For those who naturally have a 'cold' abdomen or frequent diarrhea, consuming only shakes can lead to the accumulation of 'Dam-eum' (phlegm-fluid retention), making the body feel heavier and more sluggish. Therefore, I recommend using protein shakes as a snack between meals or as a supplement before and after exercise, rather than as a primary meal replacement. It is essential to balance them with whole, natural foods that require chewing. The most accurate way to determine if your digestive system can handle shakes or if it is currently overworked is through pulse diagnosis (Jin-maek). We can evaluate your specific constitution together to find the best approach.
#recommendation #pros-cons
Dr. Yeonseung Choe

Expert Verified

Dr. Yeonseung Choe

Chief Director

Last reviewed 2026.05.12

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