little imaginations can dream up. adults eating baby food? baby food diet. >> for babies? like a diet for babies? >> for adults. >> oh, no, that's kind of silly. >> reporter: it's quickly becoming one of the most sought-after weight loss methods out there. nutritionist oz garcia weighed in on the new fad diet that varies but typically involves eating a aut 14 4-ounce jars of pureed baby food each day and one adult meal. >> the point of the baby food diet is primarily portion control, calorie control. that's why people will be doing it. >> reporter: there are only 45 calories in this jar of organic green beans. maureen putnum is part of the team behind earth's best baby food and stresses adults should not rely on the product as their sole source of food, pointing out the line is tailor-made for little ones. >> it comes in first, second and third foods which is specifically designed for the nutritional needs of a baby as it is growing. if it was meant for adults you would have stage 50. >> reporter: baby food not your