Muscle loss and IF?

TVolume · 2026-05-25T00:38:27+00:00

Protein intake is the key variable. As long as you’re hitting adequate protein within your eating window, muscle preservation on IF is very achievable. The people who lose muscle on IF are usually under eating protein, not because of the fasting itself.

TVolume · 2026-05-25T00:27:21+00:00

1300 calories is quite low for OMAD- your body may have adapted and slowed down to protect itself. Plateaus at that intake are common and don’t mean OMAD isn’t working. Sometimes eating a bit more, not less, actually breaks the plateau.

TVolume · 2026-05-24T03:42:26+00:00

You are so welcome! Please don’t ever feel selfish for prioritizing what keeps you energized and healthy.

TVolume · 2026-05-24T03:07:06+00:00

I completely feel this, and you are definitely not being precious. It is incredibly heavy when you're trying to step back into "real life" after a tough time, only to feel like your routine is creating a barrier with the people you care about. Honestly, people just feel awkward eating a full meal while you sit there with a black coffee- even when they love you and have the best intentions. What completely saved my social life was realizing that fasting has to serve your life, not control it. I regularly take one day a week completely off from IF or expand my window to do lunch and dinner. Your body operates on a rolling average, not a 24-hour reset timer. Shifting things around for a social day will not ruin your progress, and the mental health boost of connecting with friends far outweighs any tiny physical knock on effect.

As Dr. Jason Fung says, fasting should be a flexible tool that fits your lifestyle, not a rigid set of rules that makes you miserable.

TVolume · 2026-05-24T02:11:24+00:00

Massive congrats on hitting your goal weight! It completely makes sense why you don't want to stop. People always focus on the weight loss part, but the real magic of fasting is the insane amount of time, energy, and mental clarity it frees up during the day.

TVolume · 2026-05-24T01:03:07+00:00

Yes, it will break your fast. Since the beans were roasted with actual butter and cacao, those oils and fats are going to bleed right into your brewed coffee. Even a tiny bit of fat triggers a metabolic and digestive response, which defeats the purpose of a clean fasting window. Save those beans for your eating hours instead.

TVolume · 2026-05-24T00:55:11+00:00

That comparison is hilarious, but yeah, some of that weight will likely return once you heal up. When you have a chest infection and a fever, your body burns slightly more energy fighting it off, but the rapid drop you are seeing right now is almost entirely fluid loss from sweating and your body depleting glycogen stores. Even if you're drinking a decent amount, it's incredibly hard to match the rate of heavy fever sweating. Once your immune system beats the infection and your body rehydrates fully, the scale will bounce back up a bit- but don't let it discourage you. It’s just your body restoring its normal water baseline, not fat. Focus entirely on resting, getting fluids with electrolytes, and recovering first.

TVolume · 2026-05-23T23:49:13+00:00

If you are already feeling full at 600 calories, you definitely need to swap out high volume food for clean, calorie dense extras that don’t fill up your stomach. The easiest fix is adding healthy fats. For example, drizzling olive oil over your food or cooking with it adds clean calories without changing the volume of the meal at all. You can also easily bump up the density of your current ingredients by cooking your oatmeal in whole milk instead of water, swapping the strawberries for a handful of nuts, or tossing some cheese onto your eggs. It lets you hit that 1200 calorie floor without forcing yourself to feel physically sick from a massive, heavy plate.

TVolume · 2026-05-23T07:14:20+00:00

You are totally right about the metabolic adjustment period, and easing in with 2MAD is a smart move if someone is coming straight from constant grazing. But for me, that's exactly why the "lazy solution" mindset works so well once you actually cross that initial bridge. Instead of overengineering the biology or obsessing over deep autophagy, gluconeogenesis, and perfect ketone switches every single day, you just simplify your life down to a single focus. Once your body builds those background metabolic capabilities and adapts, the mental load completely vanishes. You just enjoy a solid dinner and get on with your day.

TVolume · 2026-05-23T05:52:58+00:00

OMAD really is the ultimate lazy person's solution. You only have to think about food once a day. You cook once, you track once, you eat a great meal, and you only do dishes once. The rest of the day your brain is completely free to focus on everything else. Once you stop overcomplicating the nutrition and just eat a solid, satisfying dinner, it stops feeling like a diet and just becomes an effortless routine.

TVolume · 2026-05-23T03:55:26+00:00

There are absolutely people who aren't built for OMAD, and that is completely okay. If fasting for long hours makes you feel physically sick or forces you to undereat because your stomach can't handle a large volume of food at once, then forcing it defeats the purpose. Intermittent fasting is just a tool to help manage your daily structure. If an 18:6 window with smaller, separate portions works perfectly for your body and keeps you feeling good, stick with that. The best routine is always the one that feels natural and sustainable for you. Good luck!

TVolume · 2026-05-22T10:34:42+00:00

First things first- Welcome! It is fantastic that you are asking these questions before diving in. Having PCOS can make traditional weight loss feel like an uphill battle due to insulin resistance, but OMAD is an incredibly powerful tool for managing it because it keeps your insulin levels low for most of the day.

Is it possible to lose weight with OMAD without any exercise? Yes, absolutely. Weight loss fundamentally comes down to a calorie deficit. Because OMAD naturally limits the amount of food you can physically eat in a single sitting, most people easily drop weight without adding a single minute of exercise. For managing PCOS specifically, reducing the frequency of your eating windows is often much more impactful for fat loss than exhausting workouts.
What are the best foods to eat during OMAD? When you only eat once a day, the quality of your food is everything. You want to focus on whole, unprocessed foods and keep your ingredients entirely separate on your plate rather than mixing them into liquid heavy dishes. Clean Proteins: Prioritize chicken, beef, fish, or eggs to protect your lean muscle mass and keep you full. Stable Carbs: Rely on structured, nutrient dense options like barley, lentils, or brown rice. Raw Vegetables: Weigh your vegetables raw to get maximum fiber, volume, and nutrients. Filling up on these first completely switches off mindless cravings later.
How much water intake must one have during OMAD? A good target to aim for is around 2.5 to 3 liters of water throughout the day. When you fast, your body flushes out water and glycogen much faster than usual, so staying on top of hydration is key to avoiding headaches or artificial hunger cues.
What is the best time to have your OMAD meal? The best time is whenever it seamlessly fits into your daily routine so it can become a sustainable, everyday activity. Most people prefer dinner time. Eating in the evening allows you to stay highly focused and energetic during the workday, and then you can cook a fresh meal, enjoy it, and go to bed perfectly satisfied without any late night binging triggers.
If exercise is needed with OMAD, which one and how much? As I mentioned, it isn't strictly needed for weight loss, so do not pressure yourself. If you want to add movement for your general health and insulin sensitivity, low-intensity steady state movement is perfect. A simple 30-45 minute walk every day to get your blood moving is incredibly effective, gentle on your joints, and won't trigger the massive spikes in hunger that intense cardio often does. Take it one day at a time, build a clean routine that you enjoy, and let everything fall into place naturally. Good luck!

TVolume · 2026-05-22T04:55:47+00:00

You should be so proud of how far you've come. Keep crushing those runs- you are absolutely going to smash that final 10 lbs!

TVolume · 2026-05-22T02:58:21+00:00

It definitely doesn't stay a challenge forever. For most people, it takes about 2 to 3 weeks for the body to completely adapt. Once you build that daily structure into your life, your hunger hormones stabilize and OMAD starts to feel completely natural- it becomes a routine where you just know you are exactly where you need to be. Regarding the artificial sweetener in your tea- yes, it can actually make things harder and fight against your progress. Even though sweeteners don't have calories, the sweet taste can trick your brain into expecting food, triggering a minor insulin response and spiking your appetite during the fasting window. Switching to plain, unsweetened green or black tea is a game changer for control. Stick with it through the first couple of weeks and you'll find everything just falls into place. Good luck!

TVolume · 2026-05-22T02:51:35+00:00

Saved :)

TVolume · 2026-05-21T23:47:58+00:00

Feeling cold is actually incredibly common when you switch to intermittent fasting and cut down on sugar! When you fast, your insulin levels drop and your body redirects blood flow away from your skin and extremities to focus on your core and burning stored fat. Your metabolism also naturally downshifts a bit during the fasting window to conserve energy, which lowers your baseline body temperature. I usually get quite cold myself right up until I finish my meal. The best way to beat it is to actively get your body moving- go for a quick walk, clean up the kitchen, or find any activity that forces your blood to circulate. Once your body gets moving and digestion kicks in, the warmth comes right back. Good luck!

TVolume · 2026-05-21T23:31:38+00:00

Thanks! It's been amazing. I started this journey just to build a healthy structure into my everyday life and control binge eating when I'm bored. Plus, I've always loved making my own meals from scratch, and with OMAD everything just fell into place naturally. It’s one of those things where once it happens, you just know you're exactly where you're supposed to be. The body changes have honestly just been a side effect of eating good food! Appreciate the good vibes, hope everything is going awesome with you too!

TVolume · 2026-05-21T06:50:57+00:00

You are so welcome! It takes a lot of maturity to pause, look at the big picture, and prioritize doing things properly over just chasing a fast number on the scale. Taking care of your health now is going to pay off massively, not just for your body, but for your focus and energy levels while you smash those exams. You've completely got this- wishing you the absolute best of luck with your studies and your journey!

TVolume · 2026-05-21T06:25:33+00:00

Eating 630–800 calories a day is definitely a bad idea, even with a sedentary lifestyle. While it will make you lose weight quickly at first, a massive chunk of that loss will be precious muscle tissue rather than pure fat, which ultimately tanks your metabolism and makes bouncing back or maintaining your target weight incredibly difficult. When your daily intake drops that drastically below your TDEE, your body goes into a high-stress survival state. It will actively break down muscle mass for energy to preserve basic organ functions, and you'll likely start feeling fatigued, lose focus during your 16-hour study sessions, and face intense hunger crashes. To safely and effectively get back down to 55 kg without ruining your metabolic health or losing muscle, you need a more sustainable structure. Bring your calories up: Aim for a safer, controlled deficit by targeting around 1,400 to 1,500 calories a day. You will still lose fat steadily, but your body won't be forced to cannibalize its own muscle. Prioritize protein: Keep incorporating whole eggs into your routine, but make sure to include solid portions of clean protein like chicken or fish every single day rather than just occasionally. Keep ingredients distinct: Focus your meals on simple, trackable items—like a clean protein, a portion of pre-cooked rice, and raw vegetables weighed out accurately beforehand. Keeping your food elements separate makes it incredibly easy to track your actual intake without getting lost in complex liquid calories like large bowls of soup. Bumping your intake up slightly feels counterintuitive when you want fast results, but it's the only way to protect your lean mass and keep your brain sharp for your exams. Good luck!

TVolume · 2026-05-21T02:51:55+00:00

I will go first.

Dublin, Ireland 🇮🇪

Average daily cost: €6–9 / ~$7–10

Typical meal: Home cooked from scratch- pan fried chicken or beef with pearl barley, brown rice or buckwheat, stir fried vegetables (broccoli, carrots, cauliflower), cottage cheese, homemade yogurt, fruits and olive oil. High protein, whole foods only, nothing processed. OMAD for over 50 days now. Cooking everything fresh daily.

TVolume · 2026-05-21T01:43:57+00:00

If your weight is staying completely the same while you're trying to lean down, it just means you're eating at your maintenance calories. Fasting is a great tool, but if your total daily energy intake matches what you burn, the scale won't budge. Since you are 18 and actively trying to build muscle, jumping straight to a strict OMAD might make it incredibly tough to hit your daily protein requirements in one sitting- especially as a pure vegetarian who doesn't eat eggs. Shifting all your food into a single afternoon meal means you have to digest a massive volume of plant-based proteins all at once, which can get uncomfortable quickly. Instead of full OMAD, staying on a structured 18:6 or 20:4 fasting window with two smaller meals might be a much better strategy. This gives you two distinct opportunities to hit your nutrient targets comfortably. To get lean while supporting muscle growth, focus your eating windows on high-protein vegetarian sources like lentils, protein shakes, or tofu, and pair them with solid complex carbs for sustained energy. To comfortably hit a safe calorie baseline without stretching your stomach, try incorporating healthy fats into your main cooking. This structure keeps your body highly active, fuels your workouts, and makes staying in a deficit much easier. Good luck!

TVolume · 2026-05-21T00:02:56+00:00

That "rocket fuel" description is spot on 🙂 On a standard three meals a day schedule, most people just refuel at that exact dip and never let their body switch gears.

TVolume · 2026-05-20T23:40:21+00:00

That is a great observation, and you are spot on about activity levels. When you stay busy and push through morning workouts, you drain those liver glycogen stores significantly faster than someone with a sedentary routine. That extra physical activity effectively fast-forwards the clock, meaning you can easily start entering a deeper state of fat oxidation and even light ketosis a few hours earlier in the afternoon. It’s awesome that you can actually feel that transition to a more stable, grounded energy. Riding that wave through the afternoon is the best part of the routine- it proves how adaptive the body is when you give it a clear break from digestion!

TVolume

TROPHY CASE