How to Gain Weight When You Dislike Many Foods: Tips from a Doctor

Gaining weight can be just as challenging as losing it—especially if you have strong food aversions. Whether textures, flavors or smells turn you off, you can still reach a healthy weight. Below are practical, doctor-approved strategies for how to gain weight with food aversions without forcing yourself to eat foods you hate.

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1. Understand Your Calorie Needs

Before making changes, it's essential to know how many calories you need to maintain and gain weight.

• Calculate your basal metabolic rate (BMR) based on age, sex, height and activity level.
• Aim to eat 300–500 extra calories per day for gradual weight gain (about 0.5 lb/week).
• For faster gain (1 lb/week), increase by 500–700 calories per day.

Tracking your intake for a week gives you a clear baseline. You can use a simple app or a paper journal.

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2. Focus on High-Calorie, Low-Volume Foods

If large portions make you uncomfortable, choose foods packed with calories in small servings:

• Nuts and nut butters: Almonds, cashews, peanut butter.
• Oils and fats: Olive oil, avocado oil, coconut oil (drizzle on foods or blend into smoothies).
• Dried fruits: Raisins, dates, apricots.
• Whole-fat dairy: Cheese, whole milk, Greek yogurt.
• Seeds: Chia, flax, pumpkin seeds.

Tip: Stir a spoonful of nut butter or oil into soups, sauces and smoothies to boost calories without changing texture too much.

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3. Smoothies and Shakes: A Flexible Option

Liquids can be easier to tolerate if you dislike many solid foods.

• Base: Whole milk, oat milk, yogurt or coconut milk.
• Protein: Whey or plant-based powder, Greek yogurt.
• Carbs: Oats, banana, berries, honey.
• Fats: Nut butter, avocado, flax oil.
• Extras: Spinach (mild taste), cocoa powder, spices like cinnamon.

Customize flavors and consistency. Sipping a 500–700-calorie shake between meals can add significant calories without feeling full.

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4. Enhance Foods You Can Stomach

Identify a short list of tolerable foods, then make them more calorie-dense:

• Pasta or rice: Add olive oil, cheese, cream sauces or pesto.
• Potatoes or sweet potatoes: Top with butter, sour cream or cheese.
• Eggs: Cook in butter or oil; make omelets with cheese and vegetables you can tolerate.
• Avocado: Mash on toast, blend into dressings or dips.

Even small tweaks—like cooking in butter instead of water—can add 100+ calories per serving.

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5. Eat More Frequently, in Smaller Portions

Large meals may trigger aversions. Instead:

• Aim for 5–6 mini-meals or snacks per day.
• Set timers or alarms to remind you to eat every 2–3 hours.
• Keep calorie-dense snacks nearby: trail mix, granola bars, cheese sticks.

This approach reduces mealtime stress and increases total intake.

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6. Use Smooth Textures and Mild Flavors

If strong flavors or gritty textures bother you:

• Choose creamy soups over chunky stews.
• Opt for mashed or pureed versions of vegetables and legumes.
• Simplify spices: a little salt, pepper or mild herbs.
• Experiment with temperature—some people prefer warm foods over cold or vice versa.

Gradual exposure to new tastes may help expand your "safe" food list over time.

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7. Consider Nutritional Supplements

Supplements can fill nutrient gaps without large meals:

• Protein powder: Whey, pea or soy isolates. Mix with liquids you tolerate.
• Mass gainers: High-calorie powders designed for weight gain.
• Liquid meal replacements: Often carbohydrate- and fat-rich.
• Multivitamins/minerals: To cover any micronutrient shortfalls, especially if your diet is very limited.

Always follow label instructions and check with a healthcare provider before starting anything new.

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8. Address Underlying Causes

Food aversions may stem from:

• Gastrointestinal issues (reflux, IBS).
• Sensory sensitivities (common in autism or sensory processing disorders).
• Psychological factors (stress, anxiety, past vomiting experiences).

If you're experiencing symptoms that might be contributing to your food aversions or weight concerns, take a free AI symptom checker assessment to identify potential causes and understand when professional medical evaluation may be needed.

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9. Work with a Professional

A registered dietitian or doctor can provide:

• A personalized meal plan respecting your aversions.
• Behavioral strategies to reduce anxiety around eating.
• Monitoring of weight trends and health markers.

Regular check-ins ensure you're gaining weight safely, not just adding body fat in unhealthy ways.

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10. Stay Consistent and Patient

Healthy weight gain takes time. Keep these tips in mind:

• Record your daily intake and weight once a week.
• Celebrate small wins (a new food tolerated, a slight weight increase).
• Adjust calories up or down based on progress.
• Don't be discouraged by occasional plateaus.

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When to Seek Immediate Help

Rapid weight loss, severe nausea or inability to eat for days can indicate serious problems. If you experience:

• Unintentional weight loss over 10% of body weight in 6 months
• Persistent vomiting or diarrhea
• Signs of malnutrition (hair loss, extreme fatigue, irregular heartbeat)

Speak to a healthcare provider right away. Always "speak to a doctor" about anything life-threatening or serious.

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Conclusion

Gaining weight with food aversions is doable by focusing on calorie-dense foods in forms you can tolerate, eating frequently, and using supplements if needed. Track your progress, be patient with yourself and seek professional guidance whenever you hit a roadblock or face serious symptoms. With persistence and the right strategies, you'll work toward a healthy, sustainable weight—without forcing down foods you can't stand.

Remember, if you're ever unsure about symptoms or underlying issues, you can use a free symptom checker tool to help you understand what might be going on and guide your next steps. And don't hesitate to speak to a doctor for personalized advice.