According to this article:

It is good to combine vegetables with either proteins or starches, but:

  • Do not combine proteins and starches (meat and potatoes, fish and rice, etc.).
  • Generally, eat fruit alone. Acid fruits may be consumed with sweet fruits, in which case, the acid fruits should be eaten first. Acid fruits can also be combined with nuts and seeds.
  • Do not combine melons with anything (even other fruits, except other melons).

Are there any studies that back these claims?

This is different from Are there any toxic or dangerous food pairings?, in which he specifically mentions that he is not asking about general food categories as being unhealthy, but rather specific foods that can produce toxins when combined.

  • I have edited to explain why it's not a duplicate. – clum Jul 6 '15 at 12:12
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    I'm not sure this is a notable claim. It's from a single website which exists primarily to sell magic potions at vastly inflated prices. Some of their products are literally titled, 'magic'. – ChrisInEdmonton Jul 6 '15 at 12:18
  • A google search for "food combining" comes up with many websites with similar claims. – clum Jul 6 '15 at 12:19
  • You should probably narrow it down to a single claim, like meats and starches, or melons. After all, the question in the title is specifically already answered in the linked question. If the question is accepted, you could always open new question for the other two points. – Adam Phelps Jul 6 '15 at 13:15
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    In the end, now that I figured out what it's called, I found that the Wikipedia article already answers my questions about studies done. – clum Jul 6 '15 at 17:57

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