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The SlimFast Diet - is the plan right for you?

(216 ratings)
A woman drinking a chocolate Slim.Fast milkshake in her kitchen

The SlimFast diet has to be one of the most well-known diets around - which isn't surprising when you consider that it's helped thousands of women lose weight over the past three decades. The plan encourages healthy and steady weight loss that has long-term results.

What is SlimFast?

SlimFast is a meal replacement plan that allows you to eat up to six times a day. Its most famous products are the milkshake-style drinks that you have instead of breakfast and lunch. SlimFastclaim you can lose up to 7lb during the first week and a steady 1lb a week after that.

How does SlimFast work?

The SlimFast plan is simple and easy to follow. You replace breakfast and lunch with a SlimFast meal replacement and eat a healthy 600-calorie meal in the evening.
You can also have three 100 calorie snacks throughout the day, for example fruit, a yogurt or a SlimFast snack bar. Each SlimFast meal is nutritionally balanced so you don't have to take additional vitamin supplements, unlike many diets.

 

SlimFast is good for people who lead busy lives or who often eat
on the run. Because the meal replacements are pre-packed, there's no
need for weighing portion or counting calories.

What are the drawbacks of SlimFast?

The plan is portion controlled, so if you are used to large portions you
may struggle during the first few days. If eating out in the evening
you also have to try and keep within the 600 calorie limit, or miss out a
few snacks in the day to allow for the extra calories.

What do you do on the SlimFast Diet?


SlimFast products are sold in most major supermarkets, Boots and
Superdrug stores. You will need two meal replacements such as soup or
shakes per day plus up to three snacks. For your third meal, you eat a
healthy, low-fat meal of 600 calories.

Breakfast: SlimFast Raspberry Smoothie

Mid-morning snack:
Piece of fruit

Lunch: SlimFast Mediterranean Tomato & Bean Soup

Mid-afternoon snack: SlimFast Pretzels

Dinner:
600 calorie meal, for example chicken breast with roasted veg or lemon and courgette pasta

Continued below...


Evening snack/pudding: SlimFast Chocolate Caramel Bar 

 

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Your comments

Kirsty

I've been doing the slim fast thing for coming up to a year now. I am now about 8 and a half stone and a size 8-10. I do the same as I stated previously, occasionally I have treats if I fancy..... I can eat pretty much whatever savoury meal I want in the evening (curry, pasta, risotto, pizza etc), never really did puddings anyway. "I've been following the slim fast plan for about 10 weeks now and have lost a stone (from 11 down to 10). I don't have any of the snacks and drink only water or the occasional options 35 calorie hot chocolate. I only drink alcohol at weekends. Obviously if I go back to eating normally I will put the weight back on so I plan to stick with it. I eat a good, big meal in the evenings, normally more than the 600 cals suggested but I feel I've earnt it by then!! The ready made milkshakes are nice and the smoothies are also yummy. The stuff you mix yourself is ok but the chocolate one smells and tastes like dog food. Also, it's really sweet so I tend to have more skimmed milk than they suggest (300mls as opposed to 250) and only one scoop of powder. And it tastes nicer.... to me anyway. Hope this is helpful to someone!! Good luck. "

Amy

Before I tried Slim Fast I was convinced it wouldn't be filling, or that I'd suffer from a blood-sugar crash mid-afternoon. I bought a bottle and tried it and was amazed that it worked! I'm now following the plan (although not too strictly) and have lost five pounds in two and a half weeks!

megan&lauren

we think slim fast is a good way to loose wieght but the milkshakes arent nice. they taste disgusting. but we will soon see the difference soon.

Kirsty

I've been following the slim fast plan for about 10 weeks now and have lost a stone (from 11 down to 10). I don't have any of the snacks and drink only water or the occasional options 35 calorie hot chocolate. I only drink alcohol at weekends. Obviously if I go back to eating normally I will put the weight back on so I plan to stick with it. I eat a good, big meal in the evenings, normally more than the 600 cals suggested but I feel I've earnt it by then!! The ready made milkshakes are nice and the smoothies are also yummy. The stuff you mix yourself is ok but the chocolate one smells and tastes like dog food. Also, it's really sweet so I tend to have more skimmed milk than they suggest (300mls as opposed to 250) and only one scoop of powder. And it tastes nicer.... to me anyway. Hope this is helpful to someone!! Good luck.

lynn jennings

i have been on slim fast for a week and think its great.inever feel hungry i have lost 6 pounds looking forward to next week.

cassandra freestone

i have done slim fast for three weeks now and gained 3 pound

stephanie biddlecombe

i would like to do the slim fast diet but im just so convinced it wont satisfy my hunger

BD

Sorry, but SlimFast is basically 'garbage food in a can.'

lindsay

i have been doing slimfast for 3 months and have lost 30lbs it works great for me and i am very pleased with the results im getting from it.

angi

hi there i have used slimfast on occasions for many years and found them brilliant,as i dont eat breakfast they were perfect for me.problem is since the formula has been changed and theyve gone to bottles they are disgusting i cannot drink them anymore as the taste makes me sick,i have been unable to find an alternative,any ideas please help

colin kirton

Dear slim fast,my comments to your product is a full compliment to your formula and in no way you must misinterpretate what im about to say;weight training used to be my sport but for 3 years I had a problem with depression and my bodyweight fell to 7 and a half stone but in the new year I came back to weight training and your slim fast product has helped me put 3 stone back onto my body the way I planned it was through doing the oppisite of your directions on the tin instead of having slim fast as a meal I had it with a meal twice daily.Im on four meals a day and my body is not putting fat on but im producing muscle mass once again.The other directions on the tin says to mix it with skimmed milk but Ive been mixing it with full fat milk so what im saying is a very big thankyou for your product.

Alison

I have just been reading some of the comments and although they say that your ment to keep the weight off with SLIM FAST it was not like that for myself. I lost almost 5 stone with SLIM FAST but put it straight back on when i stopped taking it.

Tara Burton

Me and my mom are both trying to loose weight i'm doing it to be more healthy but my mom is doing it because of health promblems and i find this information helpful

Hashian

Try other shakes with comparable cal, fat, carb, sugar. Check the portion size too. Or just choose actual food that add up to the calories in a slim fast shake. Nothing magical about the shakes, really. They work cause they are low in calories and you lose the sensation of chewing for meals and the portion size is ready for you.

Hashian

Yeah after any diet you will gain the weight back if you just go back to eating the same crap and not working out.

Lauren H

low-carb can: Calories: 190 Fat: 9g (1.5g Sat, 0g Trans, 1.5g Poly, 6g Mono) Cholest: 15mg Sodium: 260 mg Potassium: 550 mg Carbs: 6g (Fiber 4g, Sugars 1g, Other 1g, Net Carbs: 2g) Protein: 20g Vit C: 100% Vit E: 100% All other nutrients vary, around 30% (from Zinc 15% to Calcium 40%)

Lauren H

Oh, forgot to add, if you don't have a cup with a lid, add the ice and stir vigerously. The ice will help stir up the powder.

Lauren H

How many calories did you eat after? You need to do a slow maintenance plan after. Add a small meal to your lunch shake or take the calories, fat, carb of the shake and a small meal to add up to a total lunch meal if you don't want to do the shake. Keep the shake for breakfast and small snacks as before. And the dinner the same. Then you can change lunch to all food and drink calories and to a small breakfast, maybe add a few calories to get off slim fast. Did you exercise after? That can help you maintain the weight. Even just walking.

Lauren H

The snacks help. Have water based fruits like apples for snacks. Drink lots of water. Choose other no or low cal drinks (herbal tea). Choose the protien rich shakes to help fill you up. You could even add some no cal powder fiber to the shakes to help fill you up. If you need to have your dinner salad for lunch with the shake to help fill you up.

Lauren H

4 pounds in 5 days is great! I hoped it worked out for you.

Lauren H

Calories for this "diet" are 1,200. So add up the calories in the drinks. If you drink, eat veggies, salad (very low cal dressing or lemon) and a chicken breast (as basic as you can stand) to get a meal in.

Lauren H

Get the protein rich one. Eat health foods and you're good to go. Slim Fast has vitamins which make it more nutrious then chocolate milk.

Lauren

You could switch out lunch for dinner and have a shake for dinner. Or half your dinner for lunch and dinner. Include another shake because you want those vitamins that Slim Fast has. A salad with a lunch shake is always good, because you get to chew and the lettace is water based and will fill you up. Plus the shake will fill you up so you won't be hungry.

Lauren

Put it in a bottle with a lid and add some ice (at least 2 cubes) and shake it up. The ice will mix the powder better.

Lilly

I hope everything worked out for you but you shouldn't be changing yourself for your husband or anyone else but you!

Roo

Put it in a bottle and shake it up.

Teddy Bear

Hi , I have bought slim fast powder from wallmart and today is the first day of using it, i mixed one scoop of powder with a glass of low fat milk as my breakfast , for lunch i decide to eat chicken and vegetables and for dinner again my shake, and decide to go walking every evening for one hour and then doing exsercize with bicycle for one hour more , what you think about me ? you think I would be succeed ? my husband doesnt love my body shape and i promise myself to loose weight in 2months program , im 5" and 170lbs! Pray me please !

nataliem

hi guys im new to this i have just started the slim fast diet today i have a shake for breakfast and another for lunch and have some of the slim fast crisp and a bannana and a meal at night can you tell me am i doing this right? i am a size 12 after having my daught with a mummy belly and would like to try to get down to a 10 as i was before, and also are you allowed alchol maybe weekends? if so how much?

Bingette

I bought a sports cup for 1.99 in the sale at JD Sports. It has a lid which seals it and ML measurements on the side. I just chuck it all in and shake it up...works fine for me ...Instead of adding ice I add 250ml of water in addition to the milk. This just makes the shake go that little bit further and me feel that little bit fuller :o)

debs

i dont have a blender so how can i mix my slimfast with milk

Liam

Ive been on a 1300 calorie diet for 3 weeks now and ive lost about 6 pounds so i started slim fast and ive lost 2.5lbs a day but i exercise 4 hours a day and i only have liquid foods + 3 slim fast meal replacements :D works like a charm.

Becky

i had a baby just over 2 years ago and havent bothered trying to loose weight since, but went on holiday a couple of weeks ago and the pictures made me decide that i would like to sort myself out! i have been on the slim fast plan for 5 days, having a shake for breakfast and lunch and a well balanced meal in the evening and if i have chocolate cravings i'll have one of the snack bars to! i have found that it keeps me full, especially now i drink lots more water and most of the shakes taste lovely! so far i've lost 4 pounds and cant wait to start seeing the difference! :) good luck xx

Rob

Just started to the slimfast plan now. It appeals to me as I don't have to consider my options for breakfast and lunch - it's simple, the only option is the shake sitting in the fridge. However, to those of you saying "I've tried every diet under the sun" - why? It's a simple thing. Consume less calories (whether Slimfast or otherwise) and the weight comes off eventually. It's not rocket science. Eat crap and sit on the couch and you're going to have a big bum et al..

lynn Foster

I have been doing the slim fast for a week now and have lost 5 pounds,was'nt very interested to start but now i have started to loose the pounds im really going for it as i need to loose at least 2 stone mmmmm! i hope Lynn

Nikola Bailey

I have over the years been on every diet going and have just about every diet book from clubs to bookshops of diets and they amount to a vast amount of money being spent over the years. I am going to try the slim fast diet for a month or so to see if its the best way for me to slim. I work so I take a packed lunch with me usually or nip to the local sandwich shop for something. If anyone wants to be a slimming buddy with me then feel free to contact me and hopefully in a month I will be able to report that I have lost some weight. Watch this space ha ha. Good luck everyone on their diets Nikola xx

temmy

I just started taking slim fast today and i am hoping to get the result i want

Naomi

I've lost 8 pounds within two weeks - The banana shakes are the best, and they leave me feeling full and/or satisfied for about 3 to 4 hours. If not I just have an apple or some other type of fruit as a snack - I usually have dinner way under 600 calories so it's great cause on some days I've been able to have a dessert!

gemma

i've lost 22lbs over 2 months on slim fast. I was 185lbs and now 163lbs - I love it the feeling! They taste so nice and actually fill me up. I think to myself.."look forward to dinner tonight" and that helps me get through the day on shakes only. I try not to snack but if I am really hungy it will be fruit and exercise 2 times a day for 20 mins. I would love to lose another 20lbs or so. Fingers crossed! Slim fast definetely works though - Gem

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