Browse the evidence

Consuming 25g of protein immediately before resistance training yields similar muscular adaptations (strength and hypertrophy) as consuming the same dose immediately after training, refuting the necessity of a narrow post-workout anabolic window.

If you eat protein right before your workout, you do not need to rush to drink a shake immediately after. The benefits for strength and muscle growth are the same whether you take your protein before or after, as long as you get your total daily protein. Don't stress about the exact timing of your post-workout meal.

GLP-1 receptor agonists (semaglutide, tirzepatide) and bariatric surgery (RYGB) extend the duration of weight loss prior to plateau by weakening the physiological appetite feedback control circuit, whereas diet restriction fails to weaken this circuit and thus plateaus within ~12 months.

If you are using GLP-1s or had surgery, your prolonged weight loss is due to a physiological change in how your body regulates appetite, not just willpower. Dieting alone triggers a strong appetite feedback loop that causes early plateaus; these interventions bypass that loop.

Female age-group swimmers have significantly lower absolute carbohydrate intake (292g) compared to males (404g) despite identical training loads, resulting in a deficiency relative to recommended endurance guidelines.

Female swimmers training 6000m/day need to increase absolute carbohydrate intake, not just the ratio. Aim for higher total grams (closer to 7g/kg if possible) to support glycogen resynthesis, as current intakes are significantly lower than male counterparts with the same training load.

A significant proportion of competitive age-group swimmers (55% male, 82% female) have calcium intakes below the Recommended Dietary Allowance (RDA).

Check your calcium intake. More than half of these swimmers were below RDA. Ensure adequate dairy or fortified sources to support bone health, especially in growing athletes.

Female age-group swimmers have significantly lower iron intakes (mean 14.4mg) compared to the RDA (18mg), with 82% of females falling below the recommended level.

Female swimmers should prioritize iron-rich foods. 82% of this group was below RDA. Monitor iron status and consider dietary adjustments to support oxygen transport and performance.

Cultural norms prioritizing commensality, pleasure, and 'natural' food sourcing can act as protective factors against obesity by promoting mindful, socially-integrated eating behaviors, whereas rigid dieting and external pressure to overeat are identified as major obstacles to weight management.

If you are in a culture that values social eating and 'natural' foods, leverage this by focusing on the quality and social aspect of meals rather than strict calorie counting. Avoid rigid 'diets' which are culturally viewed as harmful; instead, prioritize seasonal, local foods and shared meals. Be aware that stress and social pressure can disrupt hunger cues, so practice mindful eating in social settings.

Automated dietary assessment using natural spoken language (COCO app) yields energy and macronutrient intake estimates that are statistically equivalent to the gold-standard multiple-pass 24-hour recall method, while significantly reducing user burden.

If you want to track your diet accurately without spending hours typing into an app, try a voice-logging tool. This study shows that speaking your meals into a smart app produces results just as accurate as a professional dietitian's interview, making it a sustainable way to monitor intake for weight management.

Exogenous ketone sources, specifically medium-chain triglycerides (MCTs) and ketone esters, increase energy expenditure and reduce energy intake when consumed in the context of high carbohydrate availability.

If you are eating a high-carbohydrate diet, adding MCT oil or ketone esters may slightly boost your energy expenditure and reduce your hunger. However, the effect is small ('slightly enhanced weight loss') and not a substitute for a balanced diet. It is not a magic bullet.

Dual (GLP-1/GIP) and Triple (GLP-1/GIP/Glucagon) receptor agonists offer superior weight loss and metabolic benefits compared to GLP-1 mono-agonism by leveraging complementary mechanisms.

Newer multi-agonists (dual/triple) like retatrutide show much higher weight loss (up to 24%) than older GLP-1 drugs. They work by hitting multiple metabolic targets at once, which may be necessary for patients who don't respond sufficiently to GLP-1 alone.

Supplemental mung bean protein (18 g/day) increases muscular strength in healthy, underactive vegetarians without concurrent exercise or lean body mass gains.

If you are a vegetarian and do not exercise heavily, adding 18 grams of mung bean protein daily may help you maintain or slightly improve your strength over 8 weeks, even without changing your diet or activity level.

Supplementing resistance training with defatted peanut protein powder increases vastus lateralis muscle thickness in older adults, though it does not significantly alter myofibrillar protein synthesis rates immediately post-exercise or change total lean soft tissue mass compared to no supplementation.

If you are over 50 and new to resistance training, adding a defatted peanut protein supplement (approx. 30g protein daily) to your routine may help increase the thickness of your thigh muscles (vastus lateralis) more than training alone. However, do not expect this to significantly change your total body weight or lean mass on a scale over a short period (6-10 weeks). It is a viable plant-based option for supporting local muscle growth.

Short-term time-restricted eating (8-hour window) leads to greater loss of trunk lean mass compared to an extended 12-hour eating window, although total body mass loss is similar.

While your muscle building capacity (MPS) stays the same, you might see a small drop in 'lean mass' on body scans during the first 10 days of an 8-hour eating window. This is likely due to fluid or organ mass changes, not actual muscle loss, especially since your muscle synthesis rates are unchanged. Don't panic if your strength doesn't drop.

A 9-month intensive lifestyle intervention combining high-intensity interval training (HIIT) and Mediterranean diet counseling significantly improves fasting plasma glucose and insulin resistance in obese subjects with baseline insulin resistance.

If you are obese and have insulin resistance, a 9-month program combining high-intensity interval training (HIIT) and Mediterranean diet counseling can significantly lower your fasting blood sugar and improve insulin sensitivity. You need to commit to 2-3 supervised HIIT sessions per week alongside dietary counseling. This approach is particularly effective for those who are already insulin resistant, whereas those with normal insulin sensitivity may not see the same glycemic benefits.

Triple agonists targeting GLP-1, GIP, and Glucagon receptors (GCGR) offer additional metabolic benefits, including increased energy expenditure and weight loss, by combining the insulinotropic effects of incretins with the lipolytic and anorectic effects of glucagon.

For patients with Type 2 Diabetes and obesity who need more than standard treatment, triple-agonist medications (targeting GLP-1, GIP, and Glucagon) are in early development. These drugs aim to boost weight loss and energy expenditure by leveraging the body's natural hormonal responses to food. Because they are still in early trials, their long-term safety and optimal dosing are not yet fully established, but they represent a promising next step for complex metabolic cases.

Moderate-to-vigorous physical activity (MVPA) is associated with lower fasting plasma glucose and reduced prevalence of pre-diabetes in middle-aged adults, but this association is largely confounded by age and BMI, rendering the independent effect of MVPA on glucose levels statistically non-significant after adjustment.

For middle-aged adults, simply increasing physical activity may not be enough to significantly lower fasting glucose if you are older or have a higher BMI. The benefits of exercise on blood sugar are largely mediated by weight loss and age. Focus on a holistic approach that includes weight management alongside activity, rather than relying on exercise alone to correct pre-diabetes.

Combined lifestyle counseling focusing on increased physical activity and improved dietary patterns modestly reduces the estimated 10-year risk of cardiovascular disease (CVD) events in high-risk individuals for type 2 diabetes, though it does not significantly reduce estimated CVD mortality.

If you are at high risk for type 2 diabetes, making changes to your diet and increasing physical activity can modestly lower your estimated 10-year risk of having a cardiovascular event. However, these changes alone may not be enough to reduce your risk of dying from cardiovascular disease. Focus on sustainable, small changes in diet and activity, and consult with your healthcare provider for comprehensive risk management.

Delivering a behavioral weight loss intervention via an Online Social Network (OSN) produces clinically meaningful weight loss (≥5%) equivalent to group phone conference calls, despite lower adherence to self-monitoring protocols.

You can achieve significant weight loss using an online social network platform (like a private Facebook group) just as effectively as attending weekly phone calls. The key is consistency: log your food and activity, and engage with the group by posting comments at least four times a week. While self-monitoring compliance was low in this study, the technology offers a flexible, lower-time-commitment alternative to phone counseling that still delivers clinically meaningful results.

Low-load blood flow restriction (LL-BFR) resistance training produces type I fiber hypertrophy that is at least equal to, and sometimes greater than, type II fiber hypertrophy, contrasting with high-load training which preferentially hypertrophies type II fibers.

To target slow-twitch (Type I) muscle fibers, use low loads (20-50% of your one-rep max) combined with blood flow restriction cuffs. Perform sets to near failure with short rest periods (30 seconds). This method can stimulate growth in these fibers as effectively as, or better than, heavy lifting, which typically favors fast-twitch fibers.

High-load resistance training (HL-RT) produces significantly greater muscle hypertrophy than low-load resistance training with blood flow restriction (LL-RT with BFR) in upper limb exercises.

When training upper body muscles (like biceps or shoulders) with blood flow restriction, you may not get as much muscle growth as you would with heavy weights. If your goal is maximum upper body size, high-load training might be more effective than BFR. However, BFR is still a viable option for rehabilitation or when heavy weights are not possible, just expect potentially smaller gains compared to heavy lifting.

Tirzepatide demonstrates potential for cardiovascular protection, including reduced risk of major adverse cardiovascular events (MACE-4) and improved lipid profiles, in patients with Type 2 Diabetes.

Beyond lowering blood sugar, Tirzepatide may improve heart health by lowering bad cholesterol and triglycerides and reducing the risk of heart attacks and strokes. This is particularly important for diabetic patients with existing heart risks.

Tirzepatide shows promise for treating Nonalcoholic Fatty Liver Disease (NAFLD) and Nonalcoholic Steatohepatitis (NASH) by reducing liver fat content and improving liver enzymes, likely through indirect weight loss and metabolic effects.

For diabetics with fatty liver, Tirzepatide may help reduce liver fat and improve liver enzymes, likely by aiding weight loss and metabolic health. However, more specific clinical trials are needed to confirm its efficacy as a primary treatment for NASH.

A nurse-facilitated, risk-stratified self-management intervention significantly improves cardiovascular risk factors (blood pressure, cholesterol, weight) and reduces absolute CVD risk scores in high-risk regional adults over six months.

If you live in a regional area and have high cardiovascular risk, a local nurse-led clinic using a risk-stratified system (GARDIAN) can significantly improve your blood pressure, cholesterol, and weight over six months through tailored lifestyle advice and regular follow-ups, even without seeing a specialist.

A partly virtualized intensive lifestyle intervention (virtualized initial sessions + monthly dietitian visits) improves weight loss and waist circumference in type 2 diabetes patients by enhancing perceived autonomy and competence, which predict motivation for weight management.

If you have type 2 diabetes and obesity, a partly virtual lifestyle program that focuses on making you feel capable and autonomous (rather than just giving orders) can help you lose waist circumference. The program uses online sessions for the initial heavy lifting and monthly dietitian check-ins. It works by boosting your motivation through feeling supported, not just by strict rules.

Bariatric surgery results in greater weight loss and higher rates of type 2 diabetes remission compared to sleeve gastrectomy, and is associated with reduced nephropathy and major adverse cardiovascular events.

For individuals with severe obesity and type 2 diabetes who have not achieved remission with lifestyle changes or medications, bariatric surgery (particularly Roux-en-Y gastric bypass) can be a highly effective option. It offers greater weight loss and diabetes remission rates than other surgical options like sleeve gastrectomy, along with reduced heart and kidney risks, though it carries higher surgical risks.