[sneak]

Orange juice, from your example, is pretty bad for you, especially compared to the low glycemic index carbohydrates found in things like Soylent.

File under "false dichotomy".

[iopq]

Glycemic index means nothing. Cake has a low glycemic index (someting like 30, depending on fat content). Oatmeal has a higher glycemic index (55). Does that mean we should stop eating oatmeal and substitute it with cake?