One big reason for me to try to do carnivore is losing fat. I don’t seem to have ANY chance to do that on keto (of course, it’s possible, I just need to eat little - I am simple, I lose fat if I eat little enough, ketosis isn’t needed - but I can’t do that on it). But carnivore gives me several benefits anyway 
Leaner or fattier meat is needed for fat-loss, it depends on various things. I need to go as lean as I can as my energy need is smallish and I am used to overeating. And I love fat so I easily overeat fatty meat. But I don’t only eat meat so maybe I wouldn’t overeat ONLY meat. I never want to figure that out, I need my eggs and dairy, I just try to minimize them (it’s almost as hard as minimizing fat. too tempting. but not satiating enough. leaner red meat is. but satiation is highly individual).
So… No idea what would work for you, obviously, we are individuals. Your body may need fatty meat. By the way, even I can’t just eat lean meat, some eggs (mostly whites), minimal dairy and expect good things as I need more fat than that! But good luck to separate me from my butter and cream and even scratchings when I make them… So I eat enough fat whatever I try to do. That’s important, not too little fat, not too much fat. My protein is always okay enough and carbs just don’t seem to matter on carnivore, for me at least.
I wouldn’t go too lean right away in your stead, try somet enjoyable carnivore style that fits you, maybe it will be enough. And avoiding certain dairy items may be a better idea than eating leaner meat? Many of us can overeat cheese or whatever. I don’t (often) but I tend to overeat dairy in general, I have plenty of dairy favs, I just managed to use them only when I really need it, a dish call for it. Not snacking on sour cream without a care in the world
I can’t afford that.
I do track my macros as I am curious and tracking helps me figure out things but apart from the tiny knowledge I get from them, it has no effect on my fat-loss at all. I eat until my body has enough. I often track the other day. Not like I can track accurately with more or less fatty meat, the fat content is unknown, after all. It’s just vaguely. It’s good to know if I ate 1300 or 4200 kcal (I did both on carnivore. the latter one happened with 1kg fatty pork and of course eggs and dairy. and maybe it was 3600 or 4500, how could I know with fatty meat? still, I saw I need to be careful with pork shoulder. and I don’t even like it so much, it’s just very easy to overeat for me).
So, it’s not about stopping eating when your numbers are up anyway, it would be some very uncomfortable fat-loss (attempt). At least it seems so to me… Now I know which food satiates me best, which not at all so I can use this knowledge when I choose my food. And then I eat as much as I feel like. There are exceptions but this is the default. I don’t bring timing here, it’s already too long but that matters a lot to me as big meals last WAY longer and my satiation is fuller, repelling stupid urges to eat when I enter the kitchen very late (I can’t avoid the kitchen due to its central position downstairs)…
You are very different from me as you have bigger motivation and surely way bigger willpower to put into it. I hope you will quickly find your sweet spot and get success! Good luck!
It has a lot to do with, at least for mere mortals. Eating tons of fat doesn’t encourage the body to lose fat, it would be wasteful. Maybe some people can do it, I definitely can’t and it’s quite logical that it’s common.
Of course one usually shouldn’t do low-fat keto/carnivore but lower-fat may be needed.
I have found carnivore way nicer and easier personally… The carbs on keto messed with me, carnivore made me another person when it came to food needs and desires. It gave me benefits while ketosis did nothing apart from fat adaptation (but I kept that even off keto so nothing kept me on keto for long) and that was highly encouraging.
And I love the carnivore guys on this forum too
So it may sound surprising but carnivore may be easier (carnivore-ISH in my case as I do needed a teeny tiny extra sometimes - and I go off all the time but I did it on keto too and sticking to the woe itself is way better and easier when it’s carnivore and not keto). In the first years after I tried carnivore the first time, I was UNABLE to do keto without carnivore. If I added some carbs, I added much more, it was weird (I understand a stupid part of me might have wanted to “use the chance” but I couldn’t explain it with only that. the carbs simply messed with me again and drove me astray). So sometimes carnivore is the sweet spot where we feel best and do it easier.
Sadly, fat doesn’t really satiate some of us. Maybe a tiny bit but not well. It’s why I easily could add 100-200g fat on top of my other food and my satiation would stay about the same. Overeating protein is similar but I actually stop eating protein around 220-240g while I don’t have this limit with fat.
I need the right kind of protein, enough fat and as few meals as possible for satiation. Of course, it’s just me. But overeating fat is my problem in my whole life, it’s just too easy and doesn’t give me satiation.
So some of us really need to be very careful with fat. Or else we happily eat a ton and that won’t help. It never did in my case. But I never had a keto year or something. Not even a month when already fat adaptated.
But I did lose fat quickly enough to see it in weeks, on low-carb and on carnivore too, I just had to eat little (for me. of course too little wouldn’t be good but I have zero chance to do that as I have the opposite problem. and even when I eat little, I keep my occasional high-cal days, they are probably useful). That is the key I know (all my experiences point to it and it’s logical anyway) but it’s not easy to do, I don’t stand hunger or even lack of satiation. I need top satiating food to pull it off. And no late eating.
Hence leanish pork as it’s super satiating and I like it enough (if I cook it right).
Too many eggs? Not satiating enough. Anyway, too tempting…
Dairy? Worse than eggs.
Fatty meat? It depends. I need stricter limits regarding eggs and dairy and very few meals (as my meals are inevitably larger). And I don’t want those limits and have other reasons too. So, green ham to me, every day
With fattier lovely items in moderation.
Sorry I got carried away, it helped me to make me more pumped up for my planned carnivore November with fat-loss this time, I hope. I have the method, I just need to do it. With enough fat for my body and “soul” but not too much to get into the way of my fat-loss.
But I felt the need to show something different from the usual belief, even experience. We are all different and may need a different aproach.
Likely, at most. I never could gain quickly on high-carb even with very high-fat (as I normally did it in the past)
It’s not actually true for everyone. My body need extreme overeating to gain super slowly (I got borderline obese with 1kg/year but I ate high-carb super high-fat, serious overeating was involved there)