Browse the evidence

Post-exercise carbohydrate intake of approximately 1.2 g/kg body mass per hour for up to 4 hours is essential for restoring glycogen reserves, supporting immune system energy needs, and facilitating tissue repair.

After your workout, eat about 1.2 grams of carbohydrates for every kilogram of your body weight each hour for the next 4 hours. For example, if you weigh 70kg, aim for 84g of carbs per hour. This helps refill your energy stores and supports your immune system. Don't fear carbs here; they are essential for recovery.

Post-exercise ingestion of high-quality protein (0.3–0.5 g/kg body mass) stimulates net muscle protein anabolism and contributes to faster tissue growth and repair.

After your workout, consume 0.3 to 0.5 grams of high-quality protein for every kilogram of your body weight. For a 70kg person, this is 21-35g of protein. This helps build and repair muscle tissue.

Pre-sleep nutrition, specifically casein- or protein-rich meals with slow digestion rates, has a restorative effect on the musculoskeletal, endocrine, immune, and nervous systems.

Eat a slow-digesting protein source, like casein or Greek yogurt, before bed. This helps your body recover and repair tissues while you sleep. Don't worry about fat gain if your total daily calories are on track.

Limited walking frequency (less than 1 day per week) significantly increases the odds of hypertension and diabetes, with the risk being more pronounced in socioeconomically vulnerable populations.

Walking less than once a week significantly increases your risk of high blood pressure and diabetes, especially if you have limited income. Aim to walk at least a few days a week to reduce these risks, as consistent walking is a powerful protective factor for older adults.

Substituting 5% of total energy intake from saturated fatty acids with polyunsaturated fatty acids lowers LDL cholesterol by approximately 10%.

To lower your bad cholesterol, replace about 5% of your daily calories from saturated fats (like butter, fatty meats, and full-fat dairy) with polyunsaturated fats (like olive oil, sunflower oil, and nuts). This single change can reduce your LDL cholesterol by 10% or more, offering a powerful, low-cost alternative to medication for many people.

Combining specific cholesterol-lowering foods (nuts, plant sterols, viscous fiber, soy protein) can lower LDL cholesterol by approximately 20%, comparable to low-dose statins.

You can lower your LDL cholesterol by about 20% by eating a 'dietary portfolio' daily: include plant sterols (found in fortified margarines/milks), soy protein, viscous fibers (oats/barley), and almonds. While effective, this requires significant dietary changes and strict adherence.

Patients treated with GLP-1 based therapies must increase protein intake to 1–1.5 g/kg bodyweight/day and engage in resistance training to mitigate the loss of lean body mass (LBM) and prevent sarcopenic obesity.

If you are taking a GLP-1 medication like Ozempic or Wegovy, you must eat more protein than the standard recommendation. Aim for 1 to 1.5 grams of protein per kilogram of your body weight every day. Additionally, you must lift weights or do resistance exercises at least twice a week. This combination is the only proven way to stop your body from eating its own muscle while you lose fat.

Whey protein supplementation (20-40 g/day) combined with resistance training preserves lean body mass and improves strength during GLP-1RA-induced weight loss.

Aim for 1.2-2.0 grams of protein per kilogram of body weight daily. Use whey protein shakes (20-40g) to help meet this goal, especially if you struggle to eat enough solid food. Combine this with resistance training to protect your muscles.

Omega-3 fatty acid supplementation (≥1 g/day) supports muscle quality, cardiovascular health, and reduces inflammation during GLP-1RA treatment.

Take at least 1 gram of Omega-3 fatty acids daily. This helps protect your heart, reduces inflammation, and may support muscle quality while you lose weight.

In patients with metabolic dysfunction-associated steatohepatitis (MASH) and fibrosis, achieving MASH resolution and fibrosis improvement is significantly associated with greater reductions in body weight, improved glycemic control (HbA1c), and normalization of liver fat.

If you have MASH with fibrosis, achieving significant weight loss, better blood sugar control, and normalizing liver fat are key steps toward resolving the disease. Tirzepatide, taken once weekly and titrated up from 2.5mg to 5-15mg over several months, has been shown to facilitate these metabolic changes, which in turn drive histological improvement in the liver.

Retatrutide (4-12 mg weekly) produces early, sustained changes in appetite and eating behaviors (reduced hunger, increased satiety, smaller portions) within 8 weeks, leading to significant weight loss and improved physical/emotional well-being in adults with obesity.

If you have obesity or overweight with health complications, retatrutide (4-12mg weekly) significantly reduces hunger and increases fullness within weeks, leading to substantial weight loss (up to 24%) and improved energy/mobility. It addresses the biological barriers to lifestyle changes that often cause failure with diet/exercise alone. Expect some frustration if results are slower than hoped or side effects occur, but the behavioral shift in eating is a key benefit.

Resistance training preserves or increases lean muscle mass and improves muscle quality in adults with obesity, even when combined with energy-restricted diets or obesity management medications that typically cause lean mass loss.

Incorporate resistance training into your routine to protect your muscle mass. This is especially important if you are dieting or taking weight-loss medications, as these can cause muscle loss. Focus on strength and function rather than just size.

GLP-1/GIP/Glucagon triple-agonists (e.g., Retatrutide) produce superior weight loss (up to 24.2%) compared to dual-agonists and GLP-1 monotherapies by simultaneously reducing food intake and increasing energy expenditure.

Retatrutide is a once-weekly injection that targets three hormones (GLP-1, GIP, Glucagon) to maximize weight loss. In clinical trials, doses up to 12mg resulted in an average 24.2% body weight loss over 48 weeks, outperforming single-hormone drugs. While it causes mild gastrointestinal side effects, the significant weight reduction makes it a highly effective option for obesity management.

Exercise training, particularly aerobic interval training and cardiac rehabilitation, is a Class I recommendation that counteracts skeletal muscle wasting and improves functional capacity in heart failure patients.

Engage in supervised exercise programs, such as cardiac rehabilitation or aerobic interval training. These are strongly recommended for heart failure patients to maintain muscle strength and improve how you feel.

Post-exercise supplementation with 40g of whey protein significantly enhances lower-body strength adaptations (leg 1-RM) in untrained adults performing low-volume intra-session concurrent training, compared to an isocaloric placebo.

If you are new to exercise and doing a mix of cardio and weights, drinking 40g of whey protein right after your workout can help you build more leg strength than if you drank a calorie-matched sugar drink. This is particularly useful if you struggle to eat a full meal immediately after training.

Consuming beef with a favorable fatty acid profile (higher monounsaturated fatty acids, lower saturated fatty acids) significantly improves serum lipid parameters (total cholesterol, LDL, non-HDL, and atherogenic indexes) compared to consuming standard commercial beef, even when the high-MUFA beef has higher total fat content.

If you eat beef, choosing cuts with a better fatty acid profile (higher in monounsaturated fats like oleic acid and lower in saturated fats) can lead to better cholesterol levels compared to standard commercial beef. You don't need to eliminate beef; you can optimize your choice. In this study, eating 120g of this specific beef 3 times a week for just 2 weeks improved LDL and other lipid markers significantly compared to standard beef.

Moderate-intensity exercise significantly reduces visceral adipose tissue in both men and women, regardless of whether total body weight changes.

Even if the scale doesn't move much, exercise is actively shrinking the dangerous fat around your organs, which improves metabolic health.

Ad libitum energy intake is independently and additively influenced by five dietary variables: higher protein, lower liquid calories, lower energy density, lower dietary variety, and lower glycemic index (in normal-weight individuals) collectively reduce energy balance relative to requirements.

To naturally eat less without counting calories, prioritize foods with low energy density (high volume, low calories), limit the number of unique food choices per day, choose solid foods over liquid calories, and ensure adequate protein. Note that these effects are strongest in normal-weight individuals; obese individuals may not benefit from glycemic index adjustments in the same way.

Bariatric surgery is recommended for eligible patients with noncirrhotic MASLD to achieve sustained weight reduction and remission of type 2 diabetes.

If you have severe obesity and MASLD, discuss bariatric surgery with your doctor. It can lead to significant weight loss and remission of type 2 diabetes, reducing your risk of liver and heart disease.

Prevention of GLP-1RA-induced muscle loss requires a multimodal strategy combining resistance exercise, high protein intake (1.2-1.6 g/kg/day), and potentially specific supplements (BCAA, Creatine, Vitamin D).

To keep your muscles while losing weight on GLP-1s, lift weights 2-3 times a week and eat 1.2-1.6 grams of protein per kg of your body weight every day. Spread this protein across 3 meals. Consider adding creatine or Vitamin D if your diet is lacking.

Dual and triple receptor agonists (e.g., tirzepatide, retatrutide, survodutide) demonstrate second-generation efficacy (≥15% weight loss) in clinical trials, offering expanded treatment options for obesity.

Newer medications like tirzepatide target multiple hormones (GLP-1 and GIP) to help you lose more weight than older drugs. Clinical trials show many people lose 15% or more of their body weight. These are taken once a week and are often used alongside lifestyle changes.

Combining GLP-1 receptor agonists with resistance and aerobic exercise training yields greater fat loss and better preservation of lean muscle mass compared to GLP-1 use alone.

If you are prescribed a GLP-1 medication for weight loss, do not rely on the drug alone. You must combine it with resistance and aerobic exercise. This combination is critical to ensure you lose fat rather than muscle, preserving your metabolic health and physical function.

A daily protein intake of approximately 1.6 grams per kilogram of body weight is recommended to spare lean body mass during weight loss induced by GLP-1 medications.

When losing weight on GLP-1s, aim to eat approximately 1.6 grams of protein for every kilogram of your body weight each day. This specific target helps protect your muscle mass from being lost along with the fat.

Tirzepatide, a dual GIP/GLP-1 receptor agonist administered once weekly, produces superior weight loss and glycemic control compared to semaglutide and dulaglutide in patients with type 2 diabetes and obesity.

For patients with T2DM or obesity, tirzepatide offers a potent once-weekly injection option that improves weight, blood sugar, and lipid profiles more effectively than some existing GLP-1 drugs. Due to potential gastrointestinal side effects, treatment should start at low doses and escalate slowly. Access may be limited by cost, requiring engagement with healthcare policymakers and insurers.