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Weight gain while weight lifting

32 replies

glassbottle55 · 31/01/2025 11:10

I'm 45 and since mid December I've been weight lifting x 2 times a week (5kg dumbells), walking loads more and trying to eat more protein. The weight seemed to be dropping by a couple of kilos but has gone back up. It's so disheartening - part of me is hoping it's muscle but don't know if I'm kidding myself! Any advice?

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Lottapianos · 31/01/2025 15:15

I would say focus on your energy levels and how you feel in general, and ditch the scales. Remember to slowly build up the number of reps you can do with your weights. When you get to doing 10-12 reps fairly easily, you might want to increase the load you're lifting

Antebell · 31/01/2025 15:27

It’s best to also do your waist and hip measurements….if you aren’t overcompensating for exercise by eating surplus calories , then also measuring how your body shape changes is far better than relying on weight alone.

MiddleAgedDread · 31/01/2025 15:28

muscle is more dense (not heavier!!) than fat so you can be heavier but smaller in size if you lift weights, and walking should help to burn fat. That said, it's very hard for women to build significant amounts of muscle and it's unlikely (read impossible) you've built 2kg of it from lifting twice a week for 6 weeks!! It could be fluid retention too.

woolflower · 31/01/2025 15:31

Whether it’s muscle will depend on the amount of gain, the amount of muscle gain you’d get in a month from 5kg won’t be huge.

Even if it’s not muscle that doesn’t mean it’s fat gain, it could be water weight and suddenly drop back off. I find I have periods of 1-2 weeks where my weight goes up and then suddenly drops back down, I’ve been told its likely water weight and linked to hormones.

Instead of weighing I try to take photos and measurements then compare that way.

glassbottle55 · 31/01/2025 17:13

Thanks all, I guess I'm trying to reprogramme my entire system and it will be trial and error. Weight does seem to have gone on in a couple of days but it's so disheartening! I seem to just be yo yo ing between 70.5 and 72 kilos rather than going below 70 which is where I'm comfortable...at what point do you hold your hands up and give in to peri weight gain?!

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MagpiePi · 31/01/2025 17:26

I'm about the same weight as you and a fluctuation of a couple of kilos is not uncommon. Could be water retention because you've eaten more carbs or salty food.

I'd go more on body measurements or how your clothes fit than worrying too much about the numbers on the scales.

glassbottle55 · 31/01/2025 17:47

Yeah I guess it's that i want to be fluctuating with the overall graph going down...!

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Maraschina · 31/01/2025 18:07

As you say, it is trial and error. You mention trying to eat more protein. Do you mean you have added proteins to your diet or removed something in favour of proteins? Is it a shake or real food? It is possible, you calories intake went up and this is why you are not losing weight.

BogRollBOGOF · 31/01/2025 18:33

I've gained roughly 3lb since starting to heavier about 9 months ago. No other change to diet or exercise. Tape measure says limbs getting bigger (they feel firmer) and waist getting smaller.

It's just a shame that on paper it tips me to BMI 25 🙄

I'll stick with gaining the muscle though.

xyz111 · 31/01/2025 19:28

Are you tracking your calories?

AwakeNotThruChoice · 31/01/2025 19:34

I’ve been weightlifting since I was 30 ( now 41)

It’s actually quite hard to gain weight /muscle. That’s noticeable on the scales. You’d have to be lifting a lot more than that to gain muscle mass and weight. And eating a lot of extra protein.
For example. Based on myself.

At age 41, 5ft 2 and 58 kilos. I should eat around 100grams of protein a day to build.

Google what that looks like! It’s a lot.

Kickingasssince72 · 31/01/2025 19:40

It's only 6 weeks, you expect some fluctuations in that time.

I'd still say track your calories, protein can still amount to a high amount of calories depending on quantity, are you in a deficit?

Jesss21 · 31/01/2025 21:12

This happened to me when I started also. I remembering googling and lots of websites talked about the fact that when you start, your body may hold onto excess water - something about tearing muscles etc (I am no scientist) Anyway, over the months, I have lost weight but also, my body shape has changed and people have commented on it. So keep going!

glassbottle55 · 31/01/2025 22:56

I'm not tracking calories particularly, am trying to be careful, eating unprocessed food and only natural protein as opposed to powder etc. Perhaps I'm eating a bit too much as it doesn't sound like it's muscle, sob! Some must be water as i can feel it in my face of all places!

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soupyspoon · 31/01/2025 23:03

People always talk about weight gain when exercising being muscle and I looked this up once to find that it takes professional body builders, months and months to actually put on a few lbs of pure muscle on its own

When I exercise I put on weight on the scales, some of it is water, I get quite swollen for some reason, Im only a walker, nothing else. But I know I eat more, I get ravenous and eat more than I burn off. Im getting fit, healthy, emotional better, better balance and strength etc but it puts weight on me.

fruitpastille · 31/01/2025 23:24

5kg dumbells won't make much difference to muscle but it's great that you have made a start. I would focus on eating lean protein and veg at every meal (or fruit if you can't face veg at breakfast!) and not too many carbs/fat. Take photos of what you eat in a day and look them at the end of a day/ week so you can be honest with yourself about overall consumption. Include drinks. Look up portion sizes so you don't over eat. You can do it!

WearyAuldWumman · 31/01/2025 23:44

I've been exercising for about a year, but with some breaks for illness, etc.

I've only lost 17lbs. (Started out at 16st4. I'm nearly 65 and 5ft 9.)

My weight loss has slowed down to a minimal level, but my GP says she's noticed the difference and I've dropped a dress size.

MagpiePi · 01/02/2025 08:43

Don’t be fooled into thinking that eating more protein automatically makes you gain muscle and/or lose weight. Excess calories from protein get turned into fat the same as from any other food. You have to be working really hard to need extra protein for muscle growth and most people get sufficient protein from a normal balanced diet.

Livelaughlurgy · 01/02/2025 08:45

What about your clothes? When I do more weights o start looking better in my clothes long before I see it on the scales.

bathroomadviceneeded · 01/02/2025 08:49

Firstly, track your calories and make sure you’re getting enough protein. It’s really hard to eat enough protein unless you’re really diligent about 20-30g minimum at each meal and snack. How many grams is your goal per day?

Secondly, if money allows get a scale that measures body fat and muscle. My overall kilos fluctuate quite a lot based on whether I’ve been to the toilet, am on my period, had a high-sodium meal the night before etc. I pay more attention to the body fat % and muscle weight. If they are trending in the right direction then I don’t worry too much about the overall weight.

Finally, like pp have said, other measures like how tired you feel, how your clothes fit, how strong you are, how much energy you have etc. are really important and you shouldn’t stress about your weight at the expense of those.

Just wanna say: well done being consistent! It’s really hard and you’re doing great. It’s very inspiring to me.

bathroomadviceneeded · 01/02/2025 08:54

Another thing to add: Be careful of overeating due to exercise. I’m really bad with this. ‘Oh, I can eat these extra things because I did a workout’. That’s definitely a mentality that will derail your progress.

e.g. I did a 45 intense training on the bike last night, and I only burned 310 calories. I could eat 310 calories in about 30 seconds if I’m not paying attention!! Even my post-workout protein yoghurt has 220 calories, which is more than half of what I burned!

Thats why, as tedious as it is, you need to track your food, at least in the beginning. You can ease up once you’re confident in how much you’re eating.

Ilovelowry · 01/02/2025 10:23

glassbottle55 · 31/01/2025 17:13

Thanks all, I guess I'm trying to reprogramme my entire system and it will be trial and error. Weight does seem to have gone on in a couple of days but it's so disheartening! I seem to just be yo yo ing between 70.5 and 72 kilos rather than going below 70 which is where I'm comfortable...at what point do you hold your hands up and give in to peri weight gain?!

Never give in! You are eating too much if you are not losing weight.

I am 5ft6 and during lockdown lost 8lb that I put on in the heady days of the first three weeks of staying in the house and eating too much. I was doing a weighted HIIT routine 5 days a week (pma fitness) with 5kg weights and walking 6 miles a day.

But the thing that made me lose the weight was the 1200 calories I was eating. The weights just made me look good.

I am firmly in peri meno, aged 47 and been on HRT for over two years.

I weigh the same as I have done for many years, about ten stone ( usually just under).

DO NOT GIVE UP.

glassbottle55 · 01/02/2025 10:31

fruitpastille · 31/01/2025 23:24

5kg dumbells won't make much difference to muscle but it's great that you have made a start. I would focus on eating lean protein and veg at every meal (or fruit if you can't face veg at breakfast!) and not too many carbs/fat. Take photos of what you eat in a day and look them at the end of a day/ week so you can be honest with yourself about overall consumption. Include drinks. Look up portion sizes so you don't over eat. You can do it!

Photos is a good idea. I might do that!

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Ilovelowry · 01/02/2025 10:31

glassbottle55 · 31/01/2025 22:56

I'm not tracking calories particularly, am trying to be careful, eating unprocessed food and only natural protein as opposed to powder etc. Perhaps I'm eating a bit too much as it doesn't sound like it's muscle, sob! Some must be water as i can feel it in my face of all places!

Sadly, raw nuts, double portions of avocado, unlimited 'local real sourdough from the posh bakery' and larger portions of salmon, as UPF free as they are, all contain calories and they all add up.

I second the posters above. Tracking is the only thing that works.

And FWIW I am very muscly and have predominantly used 5kg dumbells along with a 12kg kettle bell for swings, for 6yrs since I last had a gym membership. And I have very shapely arms, visible quads and that weight is absolutely adequate. Consistency is the key really. Don't just do this for 6 weeks and then stop.

I've been doing weights 3 or more times a week for 10yrs. I've been know to take my weights with us on UK holidays. And if we rent a house abroad i do bodyweight. On family holidays in hotels, I use the gym while my family are still sleeping.

glassbottle55 · 01/02/2025 10:32

bathroomadviceneeded · 01/02/2025 08:54

Another thing to add: Be careful of overeating due to exercise. I’m really bad with this. ‘Oh, I can eat these extra things because I did a workout’. That’s definitely a mentality that will derail your progress.

e.g. I did a 45 intense training on the bike last night, and I only burned 310 calories. I could eat 310 calories in about 30 seconds if I’m not paying attention!! Even my post-workout protein yoghurt has 220 calories, which is more than half of what I burned!

Thats why, as tedious as it is, you need to track your food, at least in the beginning. You can ease up once you’re confident in how much you’re eating.

Yes I think it must be the food...you can't outrun a bad diet as they say. While my diet isn't bad and I don't drink alcohol, I probably need to reset quantities...

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