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Choosing a weight-loss program: what one is, what to look for, programs online, warning signs, and the questions to ask
For anyone looking at a weight-loss program, an app or an ad that promises a lot, and for the people beside them. It passes on, by name, what the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK, part of the NIH) says: what a real program is, talking with a health care professional first, the features of a safe and successful program, what an online program should include, the warning signs to walk away from, and the questions to ask about studies, cost, staff, results and risks. It builds the words to say, and prints a card to fill in while you ask. We name no program and recommend none. Nothing is saved.
Right now
- Are you in danger right now? Call 911; you do not need to be sure (ours: NIDDK’s page names no 911).
- Thoughts of suicide or of harming yourself? Call or text 988, any hour (ours). If food, eating or your body has started to feel like a fight, see When eating has become a fight before you choose any program.
More help
- On this site: Eating well and moving more · Changing your habits · Food portions · Myths about food and moving.
- Other treatments: Medicines for weight. Ads and money: Is this a scam? · When you need a doctor and can’t pay.
- When it is hard: When eating has become a fight.
- Getting ready: Get ready for your appointment. In a crisis: Help right now (988, 911). All our free tools.
Your heart, blood pressure, blood sugar, thyroid or blood, and not sure this is the right page? The pages on this site for a heart attack or stroke, blood pressure, AFib, heart failure, cholesterol, diabetes and prediabetes, the thyroid, anemia, sickle cell and menopause, on one list.
Other guides on this site that go with this page
Free to read. We chose these ourselves; no professional did. Each guide was written with AI and has not been reviewed by a professional. They are general information, not advice.
- Staying active at any size: staying safe, why move, walking, dancing, biking and water, strength and daily life, and getting past roadblocks: staying active at any size: who should check with a health care professional first, the signs to stop and seek help, why moving matters even if your weight doesn’t change, walking, dancing, biking, water workouts, strength, and NIDDK’s ways past the usual roadblocks.
This page and its wording were written with AI (Claude) for Scarlet Beast (our AI policy). No doctor, nurse or dietitian has reviewed it. The facts were read on October 19, 2026 on NIDDK’s (NIH) page Choosing a Safe & Successful Weight-loss Program (last reviewed February 2024) and its Spanish twin. The numbers (nearly 3 in 4 U.S. adults; a first goal of 5% to 10% of starting weight within 6 months, about 10 pounds for someone who weighs 200; 150 minutes or more of aerobic activity a week over time; 150 to 300 minutes or more a week to keep weight off; weighing at least once a week; the promise of 30 pounds in 30 days) and the questions are NIDDK’s, shortened, and we add none. Ours: 911 and 988 (NIDDK names neither on this page); our eating disorders, scam check, medicines for weight, eating well, habits, food portions, myths, low-cost care and appointment pages; that you never need to want to lose weight to deserve care; to read what an app keeps before you give it your details; to ask for answers in writing before you pay; the lines to say; the card; the links to our other pages; and the order of the steps. What we left out: NIDDK’s section on clinical trials, its references, and its link to the Federal Trade Commission, which we name. We name no program. Nothing you tick or type here is saved or sent.