Welcome to Your Health Journey
A guide to understanding your body and building lasting health
It's Worth It
Losing weight and improving your metabolic health can transform how you feel, how you move, and how you age. But here's the honest truth: most people who lose weight will regain it. Yo-yo dieting isn't just frustrating — it can actually make things harder over time.
So what's the solution? A comprehensive approach that combines nutrition, sleep, movement, and when appropriate, medications or surgery. This guide is designed to help you understand all of these pieces so you can make informed decisions alongside your care team.
You don't need to do everything at once. Use the sidebar to explore the topics that matter most to you right now. You can come back to the others anytime.
Even a Little Goes a Long Way
If you are carrying extra weight, the research is clear: you don't need to lose a dramatic amount to see real health benefits. Even modest weight loss — 5 to 10% of your body weight — can improve blood pressure, blood sugar, cholesterol, and how you feel day to day.
If you're already at a healthy weight, the focus shifts to body composition — building more muscle and reducing visceral fat. That's important for everyone regardless of the number on the scale.
meaningful health benefits
fasting, medications, mindset
Understanding Your Body
Why weight gain happens and why losing it is harder than it seems
Why Are People Gaining Weight?
Something has changed dramatically in recent decades, and it's not simply that people eat too much or move too little.
in 1980
in 2021
Interestingly, studies show people are eating roughly the same number of calories and getting similar amounts of exercise as decades ago. So what changed?
- Basal metabolic rate has declined — our bodies burn fewer calories at rest than they used to
- Food quality has shifted — ultra-processed foods now make up about 70% of the American diet
- Sleep disruption and chronic stress have become widespread
- Environmental factors — chemicals, changes to the microbiome, and more
Obesity Is a Brain Disease
We used to think obesity was simply about willpower — eat less, move more. Modern science tells a very different story.
Obesity is now understood as a disease of weight dysregulation in the brain. Your brain has a "thermostat" for body weight, and in people with obesity, that thermostat is set too high. The causes are complex — genetic, environmental, biological, and psychological factors all play a role.
This matters because it means it's not your fault. Understanding this helps explain why willpower alone rarely works long-term, and why medical treatment can be so helpful.
Set Point Theory and Plateaus
Your body remembers its highest weight and actively resists going below it. Think of it as a rubber band — the further you stretch below your set point, the harder your body pulls you back.
This is why plateaus happen. It's not that you're doing something wrong — it's your body's defense mechanism kicking in. The good news is that medications and surgery can help reset this set point, which is why they can be so effective for long-term success.
BMI: Useful but Imperfect
BMI (Body Mass Index) is calculated from your height and weight. It's a measure of "roundness" and is used by insurance companies to determine coverage for weight loss medications.
However, BMI isn't perfect. People with high muscle mass may have an elevated BMI without being unhealthy. That's why we also look at body composition, waist circumference, and metabolic markers to get the full picture.
Nutrition
What you eat matters more than how much — but both play a role
How to Approach Your Diet
Counting calories is a challenge — most people underestimate how much they eat. Apps can help, but what you eat may be even more important than how much.
If you do count calories, a general guideline is a 500-750 calorie daily deficit from your maintenance level. That translates to roughly 1,200-1,500 calories per day for most women and 1,500-1,800 for most men. Working with a nutritionist can make a real difference.
The simple version: Focus on eating real, whole foods. Reduce ultra-processed foods. You'll naturally eat fewer calories without feeling as hungry.
Ultra-Processed Foods
About 70% of the food in the American diet is ultra-processed. These are foods that have been taken apart and reassembled with added ingredients — they're engineered to be hyper-palatable (hard to stop eating), highly refined, and stripped of fiber.
Learning to identify ultra-processed foods is one of the most impactful changes you can make. A good rule of thumb: if the ingredient list is long and full of things you wouldn't find in a kitchen, it's probably ultra-processed.
Visit truefood.tech for a helpful tool to check your foods.
Foods to Choose and Foods to Limit
✅ Seek Out
- High-fiber foods
- Colorful vegetables and fruits
- Beans and legumes
- Lean protein and fish
- Whole grains
- Nuts and seeds
- Eggs
❌ Be Mindful Of
- Ultra-processed foods
- Added sugar
- Fruit juices
- Sugar-sweetened sodas
- Excessive alcohol
- High-salt foods
- Browned and fried foods
Practical tip: Remove tempting processed foods from your house. You can't eat what isn't there. Stock your kitchen with the good stuff instead.
Protein
Protein is the most satiating macronutrient — it keeps you full longest. It also requires energy to digest (unlike carbs or fat) and helps preserve muscle mass during weight loss.
Aim for about 1 gram of protein per kilogram of body weight per day, split into servings of 30-50 grams. Animal protein tends to be more bioavailable, but plant-based sources work well too.
Hydration
Drinking enough water is especially important during weight loss. Water helps your body process sodium, supports fructose metabolism, and keeps everything running smoothly. Aim for 8-10 glasses per day, and more if you're exercising heavily or taking a GLP-1 medication.
That said, don't overdo it. Just be consistent and carry a water bottle.
Meal Timing and Snacking
When you eat matters. Research suggests front-loading your calories — having a substantial breakfast and lighter meals later — may help with weight loss. Late-night eating is associated with increased appetite and decreased energy expenditure.
Snacking: Grazing throughout the day increases the odds of obesity by about 57% in studies. If you do snack, be intentional about it — choose protein and fiber-rich options rather than grabbing whatever is convenient.
Meal Replacements
If you're struggling with weight loss, meal replacements have evidence behind them: two per day for weight loss, one per day for maintenance. They take the guesswork out of calorie counting.
The downsides: they're not real food, the transition back to regular eating can be tricky, and most are unnecessarily sweetened. Think of them as a tool, not a long-term solution.
Fasting & Autophagy
Ancient biology meets modern science
Why Fasting Works
Our bodies are designed for periods without food. Throughout human evolution, we regularly went days between meals. The constant eating pattern of modern life is actually the anomaly.
When you fast, your body shifts from using glucose (sugar) as its primary fuel to burning stored fat. But the benefits go well beyond weight loss — fasting triggers powerful cellular repair processes.
Autophagy: Your Body's Cleanup Crew
Autophagy — from the Greek for "self-eating" — is your body's way of cleaning house. During fasting, your cells begin breaking down and recycling damaged components: misfolded proteins, dysfunctional mitochondria, and other cellular debris.
Think of it like a deep clean for your cells. When you're constantly eating, your body is always in "build and store" mode. Fasting flips the switch to "clean and repair" mode.
What autophagy does:
- Cleans out damaged cellular components — removes proteins and organelles that aren't working properly
- Repairs mitochondria — your cells' power plants get tuned up, improving energy production
- Jump-starts fat burning — shifts your metabolism toward fatty acid oxidation
- Supports immune function — helps your body identify and remove pre-cancerous cells
- Strongly associated with longevity — across many species, enhanced autophagy is linked to longer, healthier lives
Autophagy generally begins ramping up after about 16-24 hours of fasting, though the process exists on a spectrum rather than having an on/off switch.
Fasting Mimicking Diet (Prolon)
Not everyone can or wants to do extended fasting. The Fasting Mimicking Diet (FMD) was developed by Dr. Valter Longo at USC to provide many of the benefits of fasting while still allowing you to eat small, carefully designed meals over 5 days.
Prolon is the commercially available version. Research shows it can trigger:
- Chaperone-mediated autophagy (a specialized form of cellular cleanup)
- Reduced IGF-1 (a growth factor linked to aging)
- Reduced epigenetic age (your biological clock may actually turn back)
- A reset of your palate — many people find their food preferences shift afterward
How often you do it depends on your health status and goals — discuss timing with your care team.
Movement & Exercise
Building the body that will carry you through life
Why Muscle Matters
Muscle tissue uses more energy than fat, even at rest — so building muscle literally raises your metabolic rate. But the benefits go far beyond calorie burning:
- Freedom as you age — strong muscles mean independence, balance, and resilience against falls and injuries
- Psychological benefits — strength training is linked to improved mood, confidence, and stress management
- Better metabolic health — muscle acts as a glucose sink, helping regulate blood sugar
Where to start: Prioritize the large muscle groups — legs, glutes, and core. These give you the biggest metabolic return on your investment. Consider working with a trainer, even briefly, to learn proper form. Then find a program and stick with it.
Zone 2 Cardio
Zone 2 exercise is moderate-intensity cardio where you can still hold a conversation but feel like you're working. Think brisk walking, easy cycling, or light jogging.
This type of exercise specifically trains your body to burn fat as fuel, improves mitochondrial function, and builds your cardiovascular base. Most experts recommend 150-200 minutes per week.
Movement Is Non-Negotiable
No matter where you are in your journey — whether you're just starting, on medication, post-surgery, or maintaining — movement matters. You don't need to run marathons. Walking, stretching, taking the stairs, and simply being less sedentary all count.
The goal is to build sustainable habits, not to punish yourself with exercise you hate.
Sleep
The most underrated factor in weight management
Sleep and Weight Are Deeply Connected
Poor sleep isn't just about feeling tired. It directly affects your weight through multiple pathways:
- Less sleep = more appetite — sleep deprivation increases ghrelin (the hunger hormone) and decreases leptin (the fullness hormone)
- Less sleep = more fat storage — your body preferentially stores calories as fat when you're under-rested
- More sleep = better everything — mood, cognitive function, impulse control, and reduced dementia risk
Common Sleep Problems
Obstructive Sleep Apnea (OSA): Very common in people carrying extra weight. If you snore, wake up gasping, or feel exhausted despite sleeping, ask about a sleep study. CPAP treatment can be life-changing, and weight loss often improves or resolves sleep apnea.
Anxiety and racing thoughts: Cognitive Behavioral Therapy for Insomnia (CBT-i) is the gold standard treatment — more effective than sleeping pills in the long run.
Life factors: Shift work, young children, caring for family members — these are real barriers. Do what you can, and don't beat yourself up about what you can't control.
Sleep Supplements
When behavioral approaches aren't enough, some supplements may help. These are generally considered safe for most people:
- CBD — may reduce anxiety and improve sleep onset
- Chamomile — a traditional sleep aid with mild evidence
- Tart cherry extract — a natural source of melatonin
- Glycine — an amino acid that may improve sleep quality
Always discuss supplements with your doctor, especially if you take other medications.
Medications
Medical tools that can make a real difference
Why Medication?
Remember that obesity is a brain disease of weight dysregulation. Medications work by addressing the biological drivers of weight gain — they're not shortcuts or cheating. Just as you'd use medication to treat high blood pressure or diabetes, weight management medications treat the underlying condition.
The main classes of medications we use include GLP-1 receptor agonists, dual agonists, Contrave, metformin, and phentermine. Let's go through each.
GLP-1 Medications: Semaglutide vs. Tirzepatide
These are the most effective weight loss medications available today. They work by mimicking hormones your gut naturally produces, reducing appetite and changing how your brain regulates weight.
| Semaglutide | Tirzepatide | |
|---|---|---|
| How it works | GLP-1 receptor agonist (targets one receptor) | Dual GIP/GLP-1 agonist (targets two receptors) |
| Brand names | Ozempic (diabetes), Wegovy (weight loss) | Mounjaro (diabetes), Zepbound (weight loss) |
| How given | Weekly injection | Weekly injection |
| Starting dose | 0.25 mg/week for 1 month, then 0.5 mg/week | 2.5 mg/week |
| Max dose | 2.4 mg/week | 15 mg/week |
| Typical weight loss | 10-20% at maximum dose | 15-25% at maximum dose |
Note: Ozempic and Mounjaro are FDA-approved for type 2 diabetes. Wegovy and Zepbound are the same medications approved specifically for weight management. Your insurance coverage may differ depending on which is prescribed.
What to Expect on GLP-1 Medications
Starting a GLP-1 medication is a process, not an event. Here's what the journey typically looks like:
First Few Weeks (Low Dose)
You'll start on the lowest dose. Some people feel reduced appetite right away; others notice very little. You may experience mild nausea — this is the most common side effect and usually improves with time.
Dose Escalation (Months 1-4)
Your dose will increase gradually. With each increase, you may notice more appetite suppression and potentially more side effects. This is normal. Going slowly helps your body adjust.
Active Weight Loss Phase (Months 2-12+)
Most people see steady weight loss during this period. You'll likely find that your relationship with food changes — you feel satisfied sooner, think about food less, and may lose interest in snacking.
The Plateau
At some point, weight loss slows or stops. This can feel discouraging, but it actually means the medication is doing its job — read on for why.
Understanding the GLP-1 Plateau
When you hit a plateau on a GLP-1 medication, it's natural to think the medication has "stopped working." But that's not what's happening.
Think of it like a tug of war. The medication is pulling your weight down. Your brain's set point is pulling it back up. The plateau is the point where these two forces are in balance.
The medication hasn't stopped working — if you stopped taking it, your weight would likely go back up. The plateau represents the maximum effect at your current dose. This is actually your medication doing exactly what it's supposed to do: maintaining a lower weight than your brain would otherwise allow.
At the plateau, your doctor may:
- Increase your dose if you're not yet at the maximum
- Add complementary strategies (nutrition optimization, exercise, sleep)
- Consider combination therapy
- Reassess your goals — sometimes the plateau weight IS the right weight for now
Managing GLP-1 Side Effects
Most side effects are gastrointestinal and improve over time. Here's how to handle the common ones:
- Nausea: Eat smaller meals, avoid fatty or fried foods, eat slowly, and consider bland foods when it's worst. Ginger tea or candies may help.
- Constipation: Increase water and fiber intake. Stool softeners are safe to use.
- Decreased appetite: This is the desired effect, but make sure you're still eating enough protein to preserve muscle mass.
- Fatigue: Usually improves as your body adjusts. Make sure you're eating enough and staying hydrated.
Important: If you're on a GLP-1 medication, drink plenty of water. Dehydration makes every side effect worse. Aim for at least 8-10 glasses per day.
Contrave
Contrave combines two medications — naltrexone (used to reduce cravings) and bupropion (an antidepressant that also reduces appetite). Together, they work on the brain's reward pathways to reduce food cravings and emotional eating.
Contrave can be a good option for people who eat in response to cravings, stress, or emotions, or for those who can't tolerate GLP-1 medications.
Insurance note: Brand-name Contrave can be expensive and insurance coverage is inconsistent. However, the two generic components can be prescribed separately at a fraction of the cost:
Generic Contrave approach:
- Bupropion SR: 150 mg once daily for the first month, then increase to 300 mg daily
- Naltrexone: 50 mg tablet divided into quarters (12.5 mg), take one quarter twice daily
Discuss this option with your doctor — they can write prescriptions for the individual generics if the brand-name version isn't covered.
Other Medications
Metformin: Originally a diabetes medication, metformin has modest weight loss effects and may have additional metabolic and longevity benefits. It's inexpensive and well-studied.
Phentermine: A stimulant-based appetite suppressant. Effective short-term, but typically used for limited periods due to its stimulant properties. Sometimes used in combination with other medications.
Supplements
What the evidence actually says
The Honest Truth About Supplements
The supplement industry is enormous and largely unregulated. Many companies are eager to sell you products with bold claims and limited evidence. The honest truth is that no supplement will replace good nutrition, exercise, and sleep.
That said, a few supplements may have modest, evidence-supported effects:
- Caffeine — a mild metabolic booster and appetite suppressant. Most people already consume it.
- Curcumin — the active compound in turmeric. Anti-inflammatory, with some evidence for metabolic benefits.
- Glylo — an experimental supplement targeting advanced glycation end products (AGEs). Theoretical promise but not yet proven.
- Alpha-ketoglutarate (AKG) — an exogenous ketone with some longevity research behind it.
Bottom line: Save your money for quality food. If you do take supplements, discuss them with your doctor to avoid interactions with other medications.
Mindset & Mental Health
Your mind is part of the journey too
Be Kind to Yourself
Weight management is one of the hardest things you can do — not because you lack willpower, but because you're working against powerful biology. Beating yourself up about setbacks doesn't help and often makes things worse through stress eating.
Talk to yourself the way you'd talk to a friend who's struggling. Acknowledge that this is hard. Celebrate the effort, not just the results.
Emotional Eating
Many people eat in response to emotions — stress, boredom, sadness, loneliness, even happiness. This is extremely common and nothing to be ashamed of. Food activates the same reward centers in the brain as other pleasurable activities.
Strategies that can help:
- Awareness: Start noticing when you eat and why. Are you hungry, or are you feeling something?
- Pause before eating: Give yourself 10 minutes before acting on a craving. It often passes.
- Find alternative rewards: A walk, calling a friend, a hobby — anything that gives you a positive feeling without food.
- Get support: Therapy, especially cognitive behavioral therapy, can be very effective for emotional eating patterns.
The Long Game
This is not a sprint. Expect setbacks — they are a normal part of the process, not proof of failure. Every person who has successfully managed their weight long-term has had bad days, bad weeks, even bad months.
What matters is the overall trend and your ability to get back on track. Remember your reasons for starting. Keep them visible — write them on your mirror, set them as your phone wallpaper, whatever works for you.
Remember: You're not just losing weight. You're gaining health, energy, mobility, and years of life. That's worth the effort.
Tracking Your Progress
Measure what matters — and keep perspective
The Scale: Friend and Foe
Weigh yourself regularly — daily or at least a few times a week — and track the trend over time. But understand that your weight will fluctuate day to day based on water retention, sodium intake, bowel habits, and hormonal cycles.
Don't react emotionally to any single reading. Look at the weekly and monthly trend instead. A body composition scale (which estimates body fat, muscle mass, and water weight) can give you a more nuanced picture than a basic scale.
Beyond the Scale
Weight is just one measure. Other important markers of progress include:
- How your clothes fit
- Your energy levels throughout the day
- Blood pressure, blood sugar, and cholesterol numbers
- Your ability to walk further, climb stairs, play with your kids
- Sleep quality
- How you feel mentally and emotionally
This is a long-term process. Weight management is measured in months and years, not days. Be patient with yourself and trust the process.
Resources & Support
You don't have to do this alone
Involve Your People
Share your goals with your family and friends. The people around you can be your biggest allies — or your biggest obstacle — depending on whether they understand what you're trying to do.
Ask the people you live with to support you by keeping tempting foods out of shared spaces, joining you for walks, or simply being encouraging. You don't need them to do everything with you, but having their understanding makes a huge difference.
Helpful Links
- truefood.tech — check whether your foods are ultra-processed
- Prolon — fasting mimicking diet products
More resources will be added here as they become available.
Good Luck!
You're not alone in this. Like everything in life, expect setbacks — they don't mean you've failed. Remember your goals, lean on your support system, and keep going.
You can do it.
— Dr. Mert Erogul, Maimonides Medical Center