January Jones used Placenta pills diet. Yes, you read that correctly. Following the birth of her son, she had her own placenta dried, crushed and placed into capsules — and she ingested them in an attempt to shed her baby weight.Ketogenic Enteral Nutrition diet (or KEN diet): This diet involves swapping food for a feeding tube. For 10 days per cycle, a plastic tube is inserted into the dieter’s stomach via the nose to ‘drip feed’ a liquid protein formula, amounting to an alarming 800 calories per day.