F-Factor diet creator Tanya Zuckerbrot is suing influencer Emily Gellis for allegedly posting “4,500-plus false, defamatory and/or harassing statements” about the dietitian and her company.

the Portfolio Diet and the F-Factor Diet. Another one that is on the list and something that people turn to for weight loss or help with digestive concerns is the Whole30 diet. It is a strict 30 ...

Now, Kelly says, she follows the F-factor diet, from the 2006 book by dietitian Tanya Zuckerbrot. "I started after the birth of my first child, Yates. It took off the baby weight right away ...