Very often, I drink a can of liquid diet shake to replace either breakfast or lunch. Is it okay to continue to replace one meal a day with these diet shakes, or am I doing gradual damage to my digestive system?

Sandy

Recently, there has been a proliferation in the number and types of diet and weight-loss nutritional programs. While many of these programs and supplements are safe, one must keep in mind the basics of good health and nutrition. It is important to consume a healthy diet rich in the necessary vitamins and minerals that our bodies need. In addition, a balance between fats, protein and carbohydrates should be maintained. Diets that promote either over- or under-consumption of one of these nutrients are likely to be unhealthy or ineffective in the long run. Another important dietary ingredient is fiber, both for its heart-protecting properties and for its benefits in preventing colon cancer and possibly other types of cancer.

While I cannot comment on the specific diet shake you use (because I don't know its ingredients), it is probably okay to consume such shakes in moderation as long as they do not contain any unsafe ingredients. That said, you should strive to maintain a balance in your diet and to take in a proper amount of calories. Although you will not likely damage your digestive system by upsetting this balance, you may jeopardize your health by becoming malnourished. I recommend a consultation with a dietary specialist for anyone who wishes to lose weight and/or to eat better to become more physically fit.