Liquid Diets and Juice Fasting

juice-dietLiquid Diets (or Juice Fasting) are used for a number of reasons – including detox and weight loss. However for weight loss, generally only fluid is lost – not fat.

A liquid diet consists of juices replacing every meal. Nutritionally this will provide virtually no protein or fat, and few calories. However vegetable and fruit juices will be rich in vitamins and minerals and cancer-fighting phytochemicals.

Liquid Diet for Weight Loss?



A Juice Fast should not be used as a weight loss technique. It is better to eat the fruit and vegetables whole – and therefore gain the fiber, and the increased metabolism resulting from digesting the whole food.

There are medically supervised liquid diets (such as Medifast and OPTIFAST) which are used for weight loss. Generally these (expensive) programs will cause quick weight loss – but they are not sustainable as a lifestyle.

Juice Diet Benefits

It may be beneficial to include vegetable and fruit juices in your diet – but not as a complete replacement of solid food. A number of people use a tonic or juice supplement in their diet to provide essential vitamins and minerals. Others claim there are detox benefits to be had from a juice fast. However you should not go beyond a one day juice fast without first consulting your doctor.

Meal Replacement Products

Meal Replacement Products (or MRP’s) are a general term describing products that have a full range of nutrients in them. Most of these are in powder form and when mixed with water or milk provide a liquid-based meal. These are often used by body builders or those looking to gain weight – they help provide macro nutrients in a convenient form, and are sometimes a lot easier than chewing your weight through lots of calories.

183 Comments

  • February 9th, 2010RAY

    I bought a Jack LaLanne power juicer elite, and I am now on day 20 of my fresh juice and smart water diet I also take a multi vitamin, and have fresh fruit for breakfast. I have lost 13 lbs and I feel great.. I also drink a soy protein drink within one hour of working out, it is EAS Soy Protein 20g per serving. I have one serving of protein per day. But it says you may have up to three depending on your individual needs. It is really working for me. Oh and I also did an acai flush and detox 10 days before starting my program.. let me know what you all think..

  • February 8th, 2010padma

    Pease let me know if the liqid diet helps for the officce goer

  • February 1st, 2010Carolyn

    Hi, can someone tell me if using frozen fruit will do the same as fresh?? I usually feel ill if I dont eat enough, will a liquid diet actually make you feel fuller??

  • January 27th, 2010geri

    lost 8lb in 10 days :)

  • January 25th, 2010puneet arora

    this is very good guidance for us . u should give me a juice names

  • January 22nd, 2010Kendra

    Ok I fought through last night it really was not to bad, day two was much harder. I am on day four, I have drank 3 bottles of water and two green teas and two coffee cup sized cups of vegtable broth, I will have chicken broth at dinner time with my smoked oysters if my belly is giving me a super hard time…. weight is still 205, am also exercising as well about 20-30 minutes a day. I began my fiber regim today as well. So is there anybody out there?

  • January 22nd, 2010geri

    i started the liquid diet on mon, today is fri, and i have lost 6lb. i have been making my own smoothies for breakfast and lunch with whatever fruit i have at home.the more the merrier. i am also drinking plenty of water and having a balanced meal in the evening, going well so far and i feel better although a little tired as my body get used to the lack of sugar. i will keep you guys posted with my progress.good luck

  • January 21st, 2010Kendra

    I am at day 3 of my Liquid diet, though I did have one meal today of smoked oysters. But that will be it. I am taking vitamins and will begin fiber capsules tomorrow as well. I started at the weight of 210lbs and I am at 205 now. My meals cosist of sugar free finger jello, chicken a vegatble broth (low sodium) and lots of water. I am just doing this for 7 days to jump start my diet as I will slowy introduce a low carb diet. Good luck to everyone and I will try to keep you posted. My energy level seems to be okay though my stomach is growling allot, I drink a glass of water when it growls and then I will drink broth if it does not go away.

  • January 19th, 2010Abby

    Dan, can you tell me exactly what it is that you do? Im really looking to start doing a liquid diet but I have no idea which is best, and all of them sound like ppl are going to die from them lol. But you made it seem like its not as horrible the way youre doing it. Any way you could help me out?

    Email: Marvo40@hotmail.com

  • January 14th, 2010Dan V

    I’m on Day 4 of a liquid diet and no cramps or extreme hunger. I have no meal times, just liquids whenever I feel like it. Two benefits I think: 1)lower total calorie intake (especially if you use diet drinks and broth which is ridiculously low in calories) and 2)quicker feeling of being full, maybe because the sugar in the liquids gets to the brain faster? Taking vitamins and Omega3 just to be on the safe side. May add some strained meat (baby food) for protein. So far so good….. I’m quite surprised at how easily this is going and my energy level is absolutely normal.

  • January 11th, 2010angel

    okay ive never done this before. i just ate a mound of waffles and tomorrow its on. only liquids. i’m scared. hope i can do it. :) so in my mind i want to lose 10 pounds. how long should i stick to the “just liquid”? and should i work out? also i get really hungry at night. thats the area i’m most doubtful of. i might give in. help me

  • January 3rd, 2010Cheryl

    Slimfast has alot of sugars in it so I am using the Atkins drinks instead since theres only like 1 gram of sugar, Ive lost 10 lbs in 2 weeks doing a liquid diet, it does make you tired. im taking vitamins and it helps some with energy. i cant eat alot dairy so i take calcium.

  • January 1st, 2010darian

    Heey. Im 17, 5’4″ & 140lbs. I need to drop about 20 lbs, im very actice & i was wondering if this juice diet was a good ideaa. A little bit of hlp & advice from those of you who have already done this would be great(: remember that im in claas from 9 till 1.& then i have work. Soo i have to work any diets around that. thanks!

  • January 1st, 2010Kristen

    I like making combo fruit juice and water ‘cocktails’ — they’re full of electrolytes!– about half and half depending on the taste, as the more you water down fruit juice (like cranberry or lemon, for kidney health) they get bitter. I also find peppermint herbal tea, green tea and black teas offer nice diversity/flavor/benefits.

    If you want to keep fruit juice and raw whole fruits and veggies in your diet past the fast, I reccomend getting a multi purpose gadget like a vitamix blender. I love cooking with mine! Yes, it can cook soups and such after several minutes!

    Have fun all. The point isn’t to starve your body, it’s to cleanse it for a clean start into something else. Happy New Year!

  • December 31st, 2009kelly

    ok seriously, if you’re wanting to do the liquid diet to lose weight- don’t. A 40 day liquid diet sounds absolutely ridiculous! Even if it’s just for a few days- spare yourself. Even if you do lose the weight, you’re most likely going to gain the weight back. Why? Because you haven’t changed anything about your *lifestyle.* What happens after this liquid diet is over? You’re going to go back to your old habits- what got you overweight in the first place. If you want to lose weight *and keep it off,* you need to make lifestyle changes… think about what got your weight over the top in the first place and start by making small changes. The best way to lose weight- expend more calories than you take in… that is, exercise moderately and eat healthy!! If you’re not sure how to start eating healthy, search for that online instead of how to do a liquid diet!!!

  • December 22nd, 2009Raj kaur

    hi everyone! I’m starting the juice diet tomorrow for 40 days! I can’t wait I’m so excited. Currently I’m 170 pounds! And my height it 5’7! I hav alot of weight to lose my target weight is 112 pounds! So that’s 58 pounds to lose, il post my progress everyday so it just keeps me motivated! I hope I can do this, I’m so excited!!

  • December 22nd, 2009Emma

    I want to the the liquid diet but what is the best liquid diet to do?

  • December 16th, 2009Crystal

    I am 16 and started a liquid fast 2 days ago, tomorrow will be my third day and my belly is screaming at me but after day one I didn’t have the urge to eat anymore just the pains. I have kept a water bottle with me at all times and have milk at lunch (only thing school give and i want SOMETHING besides water) I will probably have some juice after tomorrow and start using my uncles wight loss idea of having a spoon of peanut butter for each meal for protein because going up and down the stairs then walking 1 mile home has me totally beat. I liked reading all of the suggestions on here because I didn’t know if I could have shakes or not. I also read PAUL’s comment and the monday – friday fasting is a good plan for after my seven days because I have a lot of weight to loose but want to eat too.

  • November 29th, 2009Kwyndawn

    I am starting a liquid fast tomorrow. I hope that I can last for 7 days. I currently need to loss 120 lb however I do not wish to lose it all fasting. I want to detox, shrink my stomach, and jump start my weight loss. Then I am only going to fast one day a week while I try to maintain a healthy eating style.

    I see that most of you are only doing fruit juice but you might consider adding in broth. I helps to add protein and is still considered a clear liquid. I always do chicken or beef broth on my one day a week fast and the warm liquid really feels me up and gives me energy.

  • November 20th, 2009evestew

    i’m about 25lbs overweight and tomorrow will be my first day of the liquid diet. wish me luck and i will keep u posted

  • October 4th, 2009Dani

    Liquid diet day 7- I a feeling great but I am watching what I take in. Jello- pudding for fat- carnation instant breakfast- protein shake- beef and chicken broth (soak with saltines to help fill) smoothies with fruit and yogurt to keep the sugars up in the body. Green and chai tea- this will keep you drinking something different while at work. Juice with ice in a blender will keep you busy for a while too. I am doing really good and this is all for a friend that had to have her teeth pulled to add dentures. I am not tired and I am keeping up with the kids

  • September 29th, 2009Nee chan

    I’m 130 lbs and I’m 5 1″. I tried doing a lot of physical activities for 2 months but it was really frustrating because I lost only 5 lbs. I tried fasting for 2 weeks and I had great results. I lost a total of 18 lbs. It’s worth the sacrifice.

  • September 28th, 2009Shannon

    I am going on an all liquid diet for 48 hours just to jump start my weight loss program. I need to do something to get rid of the constant food cravings! I’ll fill you in in a couple of weeks as to how it worked to jump start me :)

  • September 24th, 2009Sandra2007

    Brendan McCarthy 7day Juice Diet Program really works. My fiance tried it 3months ago and it did some really amazing results. He told he has never felt better. From what I’ve ready it’s all natural so it’s very safe. And you get to read lots and lots of very good information in this book about how to eat right and stay healthy. He bought it online and it was pretty cheap.

  • September 16th, 2009Adeliz

    Today I am starting the ALL liquid diet for 4 days. Will keep u guys posted

  • August 8th, 2009maggie

    this is the first time i try it a fasting diet lets c how it goes wish me luck lol

  • August 4th, 2009loves PB

    For a health nerd like me this does not sound good. I would never do this even if u dared me your body needs some kind of food not just liquids. Yea it could lead to dizzyness and passing out because your body is calling for the right nutrition. Best advice dont try this.

  • August 3rd, 2009Jody

    hello.
    i’m 16, and have tried juice fasting twice at an attempt to get skinny.
    the first time i only did it for a week, and i was always tired and dizzy. i only lost a couple pounds, and didn’t really notice a difference.
    a few moths later i did it for two weeks. it wasn’t as hard this time, but i had gotton very sick of the juices and somedays i would only drink water because the smell of them made me queasy. I did notice a difference in my face, but it didn’t really make a difference in body fat. I was even biking and walking to try to speed up the process, but i was passed out by 7.
    I have been thinking about trying to do it for a month before school starts, but i dont want to be disapointed again. This time if i do it, i will add protien powder to the juices and take multivitamins.

  • July 23rd, 2009tash

    I have done many of these fastings before and the main points to remember are
    :HOT water with fresh lemon juice in the morning (hot water stimulates you metabolism and lemon is good for your kidneys)
    :Take multivitamins and especially calcium supplements
    :If you cheat dont quit, just remember hpow bad you felt and carry on
    :If you feel like you have to eat something eat a rivita/rice cracker
    :drink at least 6 glasses of water a day
    :doont weigh yourself until at least day 3, there will be no difference till then and its just disheartening!
    Hope this helps!

  • June 9th, 2009felish

    i could only do the liquid diet for 4 days and the third and fourth day i didn’t fully do liquids. but i still lose 10 pounds no lie. its hard don’t get me wrong, i couldn’t believe i got through the first day, so the second day came easy. i’m thinking the first day is all i need to get pass and then i have the rest of the six days in a bag. the third day was extremely hard i had a handful of prunes that how bad i craved solid foods, i did good during the fourth day, but at night my father ordered pizza and that was it, i was mad that i failed and gave in like i always do, but i am going to do it again this week. my liquid diet consist of veggie and fruit smoothies that i would make with no dairy or added sugar and i would add apple cider vinager, i would drink those in no paticular order three times a day and 8 glasses of water. to do this you really need to be committed and focus, because if you’re like me the look of and thing solid will mess you up. but even if you do mess up just continue to stick with it until you want to stop. if you want to lose 10 pounds or more within a week i would do this, it cleanse you out, i put prune juice in a lot of my smoothies it adds sweetness(because i have a wicked sweet tooth)and it clears the toxins out of your body and of course its healthy. wish me luck, oh and stay close to the bathroom, really









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Date Created / Updated: February 9, 2010