An Overview of Phase 1 of the Fast Metabolism Diet
The Fast Metabolism Diet is a 3-phase nutrition program created by Haylie Pomroy. Phase 1 kicks off the plan by restricting carbohydrates while emphasizing protein and healthy fats. This phase claims to reboot metabolism to burn fat and jumpstart weight loss. A typical Phase 1 diet involves:
Very Low Carbohydrate Intake
Carbs are limited to 0-30 grams per day during Phase 1. Restricting carbs forces the body to burn stored fat for energy instead of glucose. Ketosis may occur.
High Protein Foods
Protein sources like meat, eggs, fish and dairy are encouraged. Protein takes longer to digest, providing steady energy and fuller satiety. Getting adequate protein also helps maintain lean muscle mass.
Moderate Healthy Fats
Fats from plant and animal sources provide energy for the low carb, high protein diet. They also help keep cholesterol levels stable.
Lower Overall Calories
General calorie intake tends to be lower on Phase 1 without the bulk of complex carbs. But calories are not strictly counted as long as carbs stay under 30g.
Benefits of the Fast Metabolism Diet Phase 1
Proponents claim several benefits during the 28 days of Phase 1:
Rapid Weight Loss
Low carb diets spur rapid water weight drops in the first weeks. Stored glycogen depletion and potential ketosis accelerates fat burning as well.
Reduced Hunger
Protein and fats keep hunger at bay better than carby foods. Ketosis may also suppress appetite. Dieters experience fewer cravings.
Boosted Energy
The high protein intake provides steady energy and helps avoid crashes from blood sugar spikes and drops.
Lower Triglycerides
Reducing carbs has been shown to lower blood triglyceride levels for better heart health.
Improved Insulin Sensitivity
Cutting way back on carbs may improve the bodys sensitivity to insulin, which controls blood sugar levels in the body.
A Detailed Phase 1 Approved Foods List
Follow this complete Phase 1 grocery shopping guide:
Proteins
- Eggs
- Chicken breast
- Turkey breast
- Lean beef cuts like sirloin
- Fish like salmon, tuna, cod
- Shellfish
- Pork chops and tenderloin
- Bacon
- Low fat dairy like Greek yogurt and cottage cheese
Non-Starchy Vegetables
- Leafy greens - spinach, kale, lettuces
- Broccoli
- Cauliflower
- Bell peppers
- Cucumbers
- Celery
- Onions
- Green beans
- Asparagus
- Brussel sprouts
- Artichokes
- Carrots
Fruits
- Berries (in moderation)
- Tomatoes
- Lemons
- Limes
Legumes
- Lentils (in moderation)
- Black beans (in moderation)
- Chickpeas (in moderation)
Fats & Oils
- Avocados
- Coconut oil
- Olive oil
- Ghee
- Butter
- Nuts like almonds, walnuts (in moderation)
- Nut butters
- Seeds like chia, flax, pumpkin
- Olives
- Full-fat salad dressings and mayo
Seasonings, Herbs & Spices
- Salt
- Pepper
- Garlic
- Onion powder
- Basil
- Oregano
- Thyme
- Parsley
- Cumin
- Turmeric
- Chili powder
Beverages
- Water
- Unsweetened coffee
- Unsweetened tea
- Sparkling water
- Very low carb protein shakes (for breakfast)
Foods to Avoid on Phase 1
Stay away from these higher carb items:
- Grains like bread, pasta, rice, oats
- Starchy veggies - potatoes, corn, peas
- Legumes besides lentils, chickpeas, beans
- Fruit besides berries, tomatoes, lemons, limes
- Sugary foods
- Processed snacks
- Sodas and juices
- Alcohol
- Sauces with added sugars
Sample Meal Plan for Phase 1
This sample menu provides Phase 1 compliant meal ideas:
Breakfast
- Scrambled eggs with spinach and bacon
- Greek yogurt topped with nuts and berries
- Low carb protein shake
Lunch
- Turkey burger with avocado and tomato
- Tuna salad wrapped in lettuce
- Leftover chicken with salad greens and oil dressing
Dinner
- Grilled salmon with asparagus
- Zucchini noodles with meat sauce
- Chicken stir fry with cauliflower rice
Snacks
- Celery with nut butter
- Hardboiled eggs
- Berries with coconut cream
- Cheese slices
- Cucumber slices
Tips for Fast Metabolism Diet Phase 1 Success
Follow these guidelines to get the most out of your 28 days in Phase 1:
- Plan menus ahead. Meal prepping makes staying on track easier.
- Drink plenty of water. Hydration is crucial on a low carb diet.
- Get enough sleep. Adequate rest reduces cravings.
- Add exercise.</
FAQs
How much weight can I lose on Phase 1?
Most lose 5-10 lbs in the first 2 weeks. But up to 2 lbs per week of fat loss is reasonable for active adults in Phase 1 ketosis.
What if I feel tired and sluggish on the low carb diet?
Increase healthy fats for energy. Be patient through the "keto flu" for improved clarity in a week or two as your body adapts to ketosis.
Can I drink alcohol on Phase 1?
Alcohol is too high in carbs for Phase 1. An occasional glass of dry wine or ultralight beer won't ruin progress but is not encouraged.
How often can I eat fruit on Phase 1?
Berries and tomatoes are the only Phase 1 fruits. Limit to 1/2 cup berries or 1 small tomato daily to stay under 30g carbs.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.
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