CHAMGAP
CATEGORY HUB

Weight

Weight verdicts ranked by evidence score. 127 verdicts in this category.

88 foods and supplements claimed to help weight loss, ranked by evidence
Drugs and procedures removed — only what you swallow, ordered by how strong the evidence is.

01

Weight Evidence Ranking

Within this category, verdicts with higher evidence scores appear first. Verdicts without a score stay lower in the same list.

A 94 Intensive lifestyle intervention (a nonpharmacologic diet, exercise, and behavioral program) Prevention of type 2 diabetes in overweight adults with impaired glucose tolerance
A 90 Semaglutide 2.4 mg (GLP-1 receptor agonist, Wegovy, prescription injection) Reduced composite risk of cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke in adults with overweight or obesity, cardiovascular disease, and no diabetes
B 79 Tirzepatide (dual GIP and GLP-1 receptor agonist; Mounjaro and Zepbound; prescription) Long-term weight loss in adults with obesity or overweight
B 79 Tirzepatide (dual GIP/GLP-1 receptor agonist, Mounjaro or Zepbound, prescription) Reduced body weight and waist circumference in adults with obesity
B 79 Semaglutide 2.4 mg, a prescription GLP-1 receptor agonist sold as Wegovy Long-term weight loss and maintenance in adults with obesity
B 77 Roux-en-Y gastric bypass (prescribed bariatric and metabolic surgery) Long-term, five-year medication-free remission of type 2 diabetes in obesity or overweight
B 75 Low-calorie total diet replacement program (nutritionally complete formula plus stepped food reintroduction, nonpharmacological program) Drug-free remission of recently diagnosed type 2 diabetes in adults with overweight or obesity
B 74 Liraglutide 3.0 mg (prescription GLP-1 receptor agonist) One-year weight loss and weight-loss maintenance in adults with obesity
B 73 Extended-release phentermine/topiramate (prescription fixed-dose combination; Qsymia) Reduction in body weight and waist circumference over 56 weeks in adults with obesity using diet and exercise
B 72 Liraglutide 3.0 mg (GLP-1 receptor agonist, prescription injection; Saxenda) Delay or prevention of type 2 diabetes onset in adults with obesity and prediabetes
B 70 Orlistat 120 mg (Xenical; prescription gastrointestinal lipase inhibitor) Clinically significant long-term weight loss when combined with diet
B 69 Laparoscopic sleeve gastrectomy (prescribed metabolic and bariatric surgical procedure) Long-term medication-free remission of type 2 diabetes associated with obesity
B 68 L-carnitine Body fat and dieting
B 68 Extended-release naltrexone/bupropion (Contrave; prescription obesity medicine) One-year weight loss in adults with obesity when combined with diet and exercise
C 59 Retatrutide (an investigational once-weekly subcutaneous GIP, GLP-1, and glucagon triple-receptor agonist) Substantial weight loss in adults with obesity
C 58 Cagrilintide (long-acting amylin analogue, once-weekly subcutaneous investigational injection) Long-term weight reduction in adults with overweight or obesity and without diabetes
C 56 Low-molecular-weight yeast hydrolysate Appetite suppression and body-fat reduction
C 56 Artificial light during sleep from a room light or a television left on Increased risk of gaining at least 5 kg and developing overweight or obesity
C 55 Moro blood orange extract (Morosil®) Reduction of abdominal fat, waist circumference, and body weight
C 55 MCT oil (medium-chain triglycerides C8 and C10, supplement) Small reductions in body weight, body fat, and waist circumference when replacing long-chain fat
C 54 Hydrangea serrata leaf extract (ReSeringe) Reduced body fat and abdominal fat
C 54 Deoxycholic acid injection, ATX-101 marketed as Kybella or Belkyra, for submental fat Visible reduction of moderate or severe submental fat in adults
C 54 Freeze-dried whole doenjang Reduction in visceral fat
C 54 Cod fillet, 150 g three or five times weekly within an energy-restricted diet Additional weight loss during energy restriction
C 52 Aster spathulifolius extract Reduced body fat
C 50 CLA (conjugated linoleic acid) body fat reduction
C 50 Spinach extract (thylakoids) appetite suppression and weight management
C 50 Sinetrol XPur citrus polyphenol blend (branded ingredient) Reduced body fat, waist circumference, and weight in adults with overweight
C 50 Freeze-dried whole kimchi Reduction in body fat mass
C 50 An ultra-processed diet deriving most offered energy from NOVA group 4 foods Increased ad libitum energy intake and short-term weight gain
C 50 Forty chews per bite Reduced ad-libitum energy intake at one meal
C 50 Drinking 500 mL of water 30 minutes before each meal during a hypocaloric diet Greater 12-week weight loss than a hypocaloric diet alone
C 50 Massage combining tactile stimulation and passive limb movement in medically stable preterm infants Faster short-term daily weight gain during hospitalization
C 50 Simultaneous abdominal radiofrequency and high-intensity focused electromagnetic treatment with EMSCULPT NEO Reduced ultrasound-measured abdominal subcutaneous fat thickness and increased rectus abdominis thickness
C 50 Seventy-percent isopropyl-alcohol skin swabbing before insulin injection Prevention of local or systemic injection-site infection
C 50 IQP-AE-103, marketed as XLS Medical Pro-7, combining dehydrated okra powder and inulin Twelve-week weight loss during a hypocaloric diet
C 49 Pasteurized Akkermansia muciniphila MucT Weight loss and prevention of weight regain after loss
C 49 Metabolaid lemon verbena and hibiscus blend (proprietary ingredient) Reduced appetite, body fat, and body weight in adults with overweight
C 49 Alpha-lipoic acid (ALA; mitochondrial cofactor supplement) Reduction of body weight and BMI in adults with overweight or obesity
C 48 Green coffee (chlorogenic acids; green coffee bean extract/chlorogenic acid) Weight loss and body weight/body fat reduction
C 48 Lactoferrin (milk-protein supplement) Reduction of visceral and abdominal fat and body weight
C 47 Berberine Obesity treatment and weight loss
C 46 Meratrim, a blend of Sphaeranthus indicus flower and Garcinia mangostana fruit-rind extracts Reduction in body weight, BMI, and waist circumference
C 46 Psyllium husk, a gel-forming soluble fiber from Plantago ovata used as a supplement or food ingredient Reduction of body weight, BMI, and waist circumference in adults with overweight or obesity
C 46 Cryolipolysis (CoolSculpting-type non-surgical medical-device procedure) Reduced localized subcutaneous-fat thickness and circumference on the abdomen, flanks, and similar areas
C 46 One gram of commercial ground cayenne pepper added to food Reduced appetite and calorie intake at one meal
C 46 A weight-loss program providing Lean Cuisine frozen portion-controlled lunch and dinner entrees Greater 12-week weight loss than a self-selected-food program
C 46 A portion-control dinner plate and breakfast bowl calibrated by calories and food groups Six-month weight loss in adults with obesity and type 2 diabetes
C 45 White kidney bean extract (Phaseolus vulgaris) Inhibition of carbohydrate absorption and weight loss
C 44 African mango (Irvingia gabonensis) Weight and body fat
C 44 Melatonin (an indoleamine sleep hormone used as a supplement or medicine) Reduced body weight, body mass index, and waist circumference in adults with overweight or obesity
C 43 Grains of paradise extract (Aframomum melegueta) Brown-fat activation, increased energy expenditure, and body-fat reduction
C 43 Saffron extract (Crocus sativus, Satiereal, a crocin- and safranal-related botanical dietary supplement) Reduced snacking and appetite with modest weight loss in overweight women
C 42 Barley sprout (young barley shoot; Hordeum vulgare L. young barley leaf/sprout) Diet and liver
C 42 Chitosan, including chitosan derivatives/polyglucosamine Fat absorption inhibition and body fat/body weight reduction
C 42 Capsinoids (capsiate) Thermogenesis and body-fat reduction
C 42 Fermented chestnut inner-shell extract Reduced body fat and abdominal fat
C 42 Yerba mate extract (Ilex paraguariensis) Reduced body weight, body fat, and waist circumference
C 42 Lactobacillus gasseri BNR17 (breast-milk-derived proprietary probiotic strain used in a product-specific functional food ingredient) Reduced visceral fat area and waist circumference within 12 weeks in adults with obesity
C 41 Phentermine (Purimin, prescription sympathomimetic appetite suppressant) Extension of short-term appetite suppression and weight loss to long-term loss and maintenance
C 40 Fucoxanthin Reduction in body weight and abdominal fat
C 40 Calcium pyruvate (dietary supplement) Weight and body-fat reduction through increased metabolism and fat burning
D 38 Inositol (myo-inositol or D-chiro-inositol, a sugar-alcohol cell-signaling nutrient supplement) Reduced BMI and waist circumference and improved weight management in adults with metabolic disorders or polycystic ovary syndrome
D 35 Caralluma fimbriata extract (dietary supplement) Weight loss through reduced appetite and waist circumference
D 35 Alternate-day fasting (25% of baseline energy on fast days and 125% on feast days) Greater and easier-to-maintain weight loss than daily calorie restriction
D 34 Glucomannan (konjac) Weight loss and satiety
D 34 Abdominal electrical muscle stimulation belt (abdominal EMS/NMES, low-frequency muscle stimulator, non-drug device) Reduced body weight, abdominal fat, and waist circumference without exercise or dietary change
D 34 Ginger root extract (Zingiber officinale, a gingerol- and shogaol-containing supplement) Reduced weight, body fat, and waist circumference in adults with overweight or obesity
D 34 Time-restricted eating (8-hour eating window and 16-hour fast) Greater weight loss than a usual eating schedule without separate calorie restriction
D 34 Advice to skip breakfast and consume no calories before 11 am Weight gain or impaired weight loss over 16 weeks
D 33 Cinnamon bark (Cinnamomum cassia or C. verum; polyphenol-containing botanical supplement) Clinically meaningful reductions in weight, BMI, and body fat in adults with overweight or obesity
D 32 Moringa oleifera leaf (a polyphenol-containing herbal supplement) Reduced body weight, body mass index, and waist circumference in adults with overweight or obesity
D 31 Coleus forskohlii extract (forskolin) Reduction of body fat and body weight
D 31 Capsaicin or cayenne extract (vanilloid chili constituent; food and supplement) Reduction of body weight, BMI, and waist circumference in adults with overweight or obesity
D 30 Cissus quadrangularis body weight and body fat reduction
D 30 7-Keto-DHEA Increased thermogenesis and metabolic rate and reduced body fat
D 30 Chia seeds (Salvia hispanica) Reduced body weight and body fat through satiety
D 30 Açaí berry (superfood supplement) Body-weight and body-fat reduction and rapid dieting
D 30 Omega-3 EPA and DHA (long-chain n-3 polyunsaturated fatty acids from fish-oil supplements) Clinically meaningful weight and body-fat reduction in adults with overweight or obesity
D 30 D-allulose, also called D-psicose (a rare-sugar low-calorie sweetener sold as food) Reduction of body weight and fat mass with daily intake in overweight adults
D 30 Auricular acupuncture or acupressure (ear-point stimulation used as a traditional or complementary procedure) Reduced weight and BMI in adults with overweight or obesity through appetite suppression
D 30 Whole-body vibration platform (vibration exercise device; nonmedical product) Reduction of body weight, BMI, and body fat through vibration-platform training alone
D 30 L-glutamine (a conditionally essential amino acid sold as an oral sports supplement) Reduced body weight and waist circumference in adults with overweight or obesity without dietary or exercise changes
D 30 Yacon syrup Post-meal satiety and appetite suppression
D 30 Fresh grapefruit, 127 g before meals Additional weight loss beyond a calorie-restricted diet
D 30 Boiled white quinoa seed, 25 to 50 g per day Weight loss
D 30 Wholegrain rye products replacing refined-wheat foods Weight loss
D 30 One meal fortified with 20 g whole oven-dried oyster mushroom powder, Pleurotus ostreatus Reduced ad libitum energy intake at the next meal four hours later
D 30 A high-protein weight-loss diet containing lean beef at least four times weekly Added weight loss over an otherwise similar high-protein diet without red meat
D 30 Healthy low-carbohydrate diet Greater 12-month weight loss than a healthy low-fat diet
D 30 Daily self-weighing bundled with a record card, weight-loss goal, text reminders, and counseling Weight loss in adults with obesity
D 30 Diet personalized with genomic and metabolomic testing Greater fat-mass loss than a generic healthy diet
D 28 Probiotics (lactic acid bacteria, specific strains) Body-fat reduction and dieting
D 28 Garcinia cambogia (HCA) body fat and body weight reduction
D 28 Wearable activity tracker (device providing step, activity, and calorie feedback) Additional weight loss when added to a standard behavioral intervention
D 28 Quercetin-rich whole-onion powder Reduction of visceral fat
D 28 Freeze-dried whole cheonggukjang Reduction in abdominal fat
D 28 Whole macadamia nuts, 35 to 59 g/day Weight and body-fat loss
D 28 Pu-erh tea brewed from a tea bag in hot water Reduced body-fat percentage and body weight
D 28 Replacing 8 oz red meat with 8 oz fresh button mushrooms three times weekly Long-term weight loss over one year
D 28 Aspartame, a high-intensity sweetener used in beverages and tabletop products Weight loss or prevention of weight gain independent of sugar replacement
D 28 Red wine 150 mL/day (16.9 g ethanol and 120 kcal) Weight and abdominal visceral-fat loss
D 28 Overnight-fasted aerobic exercise for 60 minutes three times weekly at 70% estimated maximal heart rate Additional body-fat loss versus the same exercise after feeding
D 28 The modified baby-led complementary-feeding program BLISS from about six months through 24 months Healthier growth and prevention of overweight
D 27 Sodium alginate (a gel-forming brown-seaweed dietary fiber used as a supplement and food additive) Increased premeal satiety leading to reduced weight and body fat in adults with obesity
D 26 Sauna suit (non-drug exercise garment that restricts heat loss) Sustained body-fat and weight loss through increased sweating during exercise
D 25 L-beta-aminoisobutyric acid (L-BAIBA, MitoBurn) Increased metabolic rate and reduced body fat
D 25 Hoodia gordonii (P57) Appetite suppression and weight loss
D 25 Phendimetrazine (sympathomimetic appetite suppressant; short-term prescription drug) Appetite suppression and sustained weight loss in adults with obesity
D 24 Raspberry ketone Body fat and dieting
D 24 Vitamin D3 (cholecalciferol, a fat-soluble secosteroid vitamin sold as a nonprescription medicine and supplement) Reduction of body weight, body mass index, and body fat in adults with overweight or obesity
D 24 Oolong tea (partially oxidized Camellia sinensis, food or supplement) Reduced body weight and body fat in adults with overweight or obesity through daily consumption
D 24 Waist trainer or slimming corset (a nonmedical compression shapewear garment) Persistent reduction of abdominal fat and waist circumference with continued wear
D 24 CagriSema (once-weekly subcutaneous cagrilintide 2.4 mg plus semaglutide 2.4 mg) Weight loss noninferior to tirzepatide 15 mg in obesity treatment
F 12 Bitter orange extract (Citrus aurantium, p-synephrine) Weight loss through thermogenesis and fat burning
F 12 One whole avocado per day Reduction of visceral adipose tissue
F 10 Virgin coconut oil (capsules or edible oil) Weight and body-fat reduction and metabolic enhancement
F 8 Human chorionic gonadotropin (hCG, a prescription gonadotropin injection) Added to a very-low-calorie diet to reduce weight and hunger and redistribute body fat beyond diet alone
F 8 AOD-9604, a sixteen-amino-acid peptide derived from the C-terminal region of growth hormone and marketed for oral or subcutaneous use Produced clinically meaningful weight and body-fat loss in adults with obesity when added to diet and exercise
D score not listed Green tea catechins (EGCG) body-fat reduction
? score not listed Fingerroot extract, Boesenbergia pandurata, or panduratin Reduction of body fat
? score not listed 5-Amino-1MQ (biohacking ingredient and NNMT inhibitor) Reduced body fat and increased metabolic rate through NNMT inhibition
? score not listed Irish sea moss (Chondrus crispus, red-seaweed supplement) Appetite suppression and weight loss
? score not listed Liquid sodium copper chlorophyllin (a water-soluble chlorophyll derivative supplement) Appetite suppression and reductions in weight and body fat without dietary or exercise changes
? score not listed Vitamin B12 (cobalamin, water-soluble vitamin, nonprescription supplement or injection) Metabolism enhancement and weight loss in adults without vitamin B12 deficiency
? score not listed Monk fruit extract (Siraitia grosvenorii and mogroside V natural sweetener used as food) Direct reduction of body weight and body fat when consumed alone
? score not listed Transdermal slimming or weight-loss patch (herbal-mixture adhesive patch; non-drug product) Reduced appetite, abdominal fat, and body weight through metabolic control simply by wearing the patch