Fastin Review

fastinThere are many non-prescription diet pills that work very well. But some people want more. So they turn to prescription diet pills like Fastin.

Fastin used to come from King Pharmaceuticals, until the brand name was acquired by Hi-Tech Pharmaceuticals. As a prescription diet pill, Fastin can only be obtained if you get a prescription from a medical professional.

What Are the Benefits of Fastin?

Fastin promotes weight loss by suppressing your appetite. It does this either by using appetite-suppressing ingredients or by increasing your heart rate and blood pressure. Not only does appetite suppression help you cut your calorie intake, it makes it easier for you to form healthier eating habits.

Because of the ingredients it uses, Fastin can only be used for a few weeks. After that time, most users develop a tolerance to the ingredients. For that reason, Fastin is prescribed to people as a short term solution to weight loss.

Fastin actually hasn’t really been on the market since December of 1998, because American medical authorities made the manufacturer withdraw it.

How Does Fastin Work?

Most of the ingredients in Fastin are man-made, but there are a few natural ones. That is typical with prescription diet pills. Some of the all-natural ingredients it uses are Phenylethylamine HCL, Synephrine HCL, Yohimbine HCI, and Caffeine Anhydrous.

Phenylethylamine HCL is a chemical in your brain that produces euphoria and relaxation. Synephrine HCL is known as the safer alternative to ephedrine; an ingredient that was banned from diet pills after it started causing health problems. Synephrine HCL suppresses appetite.

Yohimbine HCI contains a substance called Rauwolscine, which inhibits your alpha 2 receptors. These receptors make weight loss harder because they tell your body to stop burning fat. By inhibiting these receptors, Yohimbine HCI should make it easier for your body to burn fat. Caffeine Anhydrous stimulates the chemicals in your brain that suppress appetite and increase metabolism.

The Facts About Fastin

The reason why Fastin was banned is because every 30 mg serving uses 24 mg of phentermine. In fact, Fastin is the brand name for phentermine. This ingredient caused dangerous side effects like impaired vision, headaches, shortness of breath, insomnia, diarrhea, and constipation.

After Fastin was banned, the manufacturing company released a diet pill that used caffeine instead of phentermine.

Our Opinion

Fastin may no longer be available, but many of the ingredients that it used are still found in other diet pills. Most of the ingredients are safe; so if you see a diet pill that uses them, you shouldn’t be alarmed. However, you may want to be cautious about diet pills that use phentermine. In most cases, you won’t even be able to get these diet pills without a prescription from your doctor.

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Recent Fastin User Comments

54 Reviews

  1. Anonymous
    July 2, 2008 @ 10:48 am

    Comment

    I CAN’T BELIEVE I ALMOST SPENT ONE HUNDRED DOLLARS ON FASTIN. I LOST ONLY FOUR POUNDS AND I WAS CONSTANTLY TIRED.

  2. Susana Sanchez
    July 2, 2008 @ 3:58 pm

    Comment

    I wish I would have researched things a little before I bought. I am not going to buy Fastin again.

  3. Tiana Choi
    July 7, 2008 @ 10:16 pm

    Comment

    Didnt work for me

  4. ashley price
    July 11, 2008 @ 10:49 pm

    Comment

    it worked for the first couple of weeks, i lost seven pounds but by the time i was done with my second bottle all my weight was back

  5. unhappy customer
    July 15, 2008 @ 12:25 pm

    Comment

    If I spend $100, I want to lose weight but I’ve been on this stupid thing for two weeks with no results.

  6. Dale
    July 16, 2008 @ 4:09 pm

    Comment

    I don’t know what these other guys are talking about I liked Fastin. I lost 5 pounds but you can’t expect to lose 30

  7. Avery
    July 17, 2008 @ 9:09 pm

    Comment

    I lost a reasonable amount of weight. I better though, it was $100.

  8. Riley Tolman
    July 22, 2008 @ 9:18 pm

    Comment

    Way too expensive for me.

  9. Carolyn
    August 7, 2008 @ 1:44 pm

    Comment

    I bought Fastin from GNC. First of all, the product was brown with blue speckles, not blue like the picture shows. I went to a different GNC to see their Fastin and it was also brown. It made me light headed, dizzy, nauseous and sleepy. It did not curb my appetite or give me energy. I returned the unused portion to GNC. I emailed their customer service to inquire about the brown color of their pills and have not gotten any response yet.

  10. Sammy
    August 12, 2008 @ 9:27 pm

    Comment

    Don’t waste your money on this crap. You won’t lose any weight using Fastin.

  11. Shavonne
    August 15, 2008 @ 8:52 am

    Comment

    Fastin is just like every other weight-loss product that has been released since Ephedra has been removed from them. They all suck, and this one is no exception. Having tried just about every single weight-loss pill on the market, this one is no different and at the cost, it completely not worth it.

  12. Tara
    August 15, 2008 @ 9:50 am

    Comment

    It did suppress my appetite for certain things but I was constantly tired and ended up at an urgent care for horrible headaches.

  13. DLo
    August 16, 2008 @ 8:00 pm

    Comment

    With a reasonable diet and lots of exercise it will definately work, but so do other pills…………….. Still think it was worth it cause I suppresed my appetite, could not eat after 6 PM, and exercised for hours.

  14. charlotte
    August 16, 2008 @ 8:35 pm

    Comment

    i just ordered fastin so i hope it works for me. i know that i also while on it need to excersize and eat right just like with any other diet pills! my pills are blue with brown speckels in them. they cost me 75.00s.

  15. danielle
    September 3, 2008 @ 5:57 pm

    Comment

    this junk is a waste of money ,im sure. if you just go to the doctor and ask for something to help you lose weight, they can provide you with a prescription called fastin or atipex which is phentermine hydrochloride. the script for 30mg tabs is only 29.99 for generic and it works like a gem!! i have been on it for 6 days and have already lost 8 pounds. dont waste your money one the website crap!!!

  16. GURU
    September 13, 2008 @ 11:00 pm

    Comment

    YOU CANNOT EXPECT TO LOSE WEIGHT WITH OUt DIET!!! I 15 pounds in 3 weeks with diet, exercise, and fastin. GET OFF THE COUCH… THERE IS NO MAGIC PILL!

  17. diane
    September 29, 2008 @ 1:50 am

    Comment

    i just bought fastin and i hope i get the result i want because i spent 159 on two bottles

  18. Annabelle
    October 3, 2008 @ 7:52 pm

    Comment

    I bought fastin and in three days I can tell a difference in my desire to eat. I also feel calmer…no jitters which most diet pills usually cause. I like Fastin so I’m going to give it a month to see what happens.

  19. cindy
    October 17, 2008 @ 6:27 pm

    Comment

    I have already gone through three bottles of Fastin and I simply love it. It worked so well for me. My starting weight was 170lbs. and in two months I am down to 135. I went from a size 14 jeans to a size 8 I am so happy with the Fastin diet pill.

  20. medic
    October 18, 2008 @ 1:53 am

    Comment

    They are all totally useless, and are a blatant copy of the now discontinued stimulants. Isn’t it strange how they all come in a 37.5mg dose?

  21. John
    October 18, 2008 @ 2:53 pm

    Comment

    My wife took FASTIN and she had less appetite and more energy by far!

  22. CocoaBaby164
    October 27, 2008 @ 7:35 pm

    Comment

    I bought Fastiin today at a GNC store. It was not discolored as some one else has mentioned. Thou my first dose gave me very bad jitters, I had to take a klonapin to calm my nerves! I am afraid to take it again! Thank God, I can take it back for a FULL refund at GNC STORE. Also Fastin did not give me any ENERGY!

  23. CocoaBaby164
    October 27, 2008 @ 7:37 pm

    Comment

    P.S. I FORGOT to mention I only paid 52.oo Dollars a bottles. I bought two!

  24. Laurie Cyr
    October 29, 2008 @ 6:26 pm

    Comment

    I love fastin, it was the only thing that helped me loss my weight, I lost 47lbs in about 4 months. I told everyone about the pill.

  25. Lauren
    November 5, 2008 @ 4:50 pm

    Comment

    I just ordered fastin, and I took it today, it is brown with blue specks…i had some energy so ill see what happens, i used to take phentermine but they dont sell it anymore..that was indeed the magic pill!

  26. April
    November 6, 2008 @ 11:16 am

    Comment

    I went to the Doctor and he prescribed me Fastin. It worked for me I lost 12 lbs in one month. The thing is with Fastin is that your doctor has to see you once a month to make sure your health is still good. I did make me fell jittery for a few day (kinda like drinking 3 cups of coffee) but my house did get cleaned!! lol

  27. Lisa
    November 19, 2008 @ 8:53 pm

    Comment

    Does anyone know where to get real phentermine??? That really works…

  28. momcraz
    December 2, 2008 @ 9:52 am

    Comment

    I used fastin in the past and lost 40 pounds prescribed by my doctor. I am taking this again and have had no problems yet been taking it for a week and lost 3 pounds so far. Love the way that it suppresses my appetite even my husband has noticed a difference in my day to day activities. Drinking water is a big thing while taking this. I believe it does work and will continue to take it. Best of luck to all whom try this product

  29. justine
    December 6, 2008 @ 8:07 am

    Comment

    I got FASTIN from a doctor as well. I went from 209 to 154 in just 6 months. A year later, the weight is still off. When I start to gain, I go back to what made me lose the weight and now I exercise 3 times a week.

    The pictures of FASTIN on the web are different than the pill I was prescribed. The FASTIN the doctor gave me were yellow capsules.

  30. Fastin Rocks
    December 15, 2008 @ 1:05 pm

    Comment

    My wife took Fastin and lost alot of weight in a couple of weeks. She also had tons of energy.

  31. jeanne
    December 25, 2008 @ 10:25 pm

    Comment

    Is Fastin supposd to to be blue? Or is it supposed to conatin the brown speckles in it? Im confused. I received the one with the brown speckles, and feel like I was taken for my monye. ANy input???
    Jeanne

  32. Andy
    December 28, 2008 @ 1:15 am

    Comment

    I have been fighting baby weight for a year, Fastin is my dream pill. I just ordered it ,, Please keep your fingers crossed for me I hope it works. I will let you know in a month,

  33. jc
    January 1, 2009 @ 10:19 am

    Comment

    Fastin suppose to be white with blue speckles. If it is brown it is just old or has been exposed to to much heat. But it is still good!

  34. Ljiljana Damjanovic
    January 4, 2009 @ 9:26 am

    Comment

    Dear Sir,
    Please would you be so kind and send me one box Fastin in serbia.
    Thank you very much.
    Regars,
    Ljiljana

  35. Alicia
    January 9, 2009 @ 10:15 pm

    Comment

    Unlike most of you, I took Fastin, worked out at least four days a week and utilized portion control and I’ve lost 52 pounds so far.

    There is no magic pill. You’ve got to make a lifestyle change and not expect the pill to do all the work.

  36. Emily
    January 20, 2009 @ 10:24 pm

    Comment

    The Fastin prescription and the one that is at GNC are 2 completely different pills with the same name.
    the one at GNC is Fastin with the little trademark sign tm beside it. It is not the same as the prescription drug that contains phentermine. Don’t be fooled by the name!! You still can only get the original by prescription from your doctor!

  37. jaymamboqueen
    January 22, 2009 @ 1:16 am

    Comment

    I just bought fastin today at GNC, i took one pill and felt like my heart was going to pop out of my chest with all the palpatations!! Very Scary! It lasted for about 2 hours!

  38. Jaime
    January 28, 2009 @ 1:34 pm

    Comment

    Fastin is the only thing to work without a perscription. I’ve tried everthing. Take the brown ones back. There is something wrong with them. Make sure you have the light blue ones. Also start with one half with lots of water. Give it a chance it really works.

  39. Mirsada
    February 5, 2009 @ 11:27 pm

    Comment

    I have been using Fastin for one week,and so far I lost 4 pounds…All other diet pills that I have tried,they are making me even more hungry…

  40. v.dyer
    February 17, 2009 @ 4:43 pm

    Comment

    I bought fastin at gnc and in one weeks time can see and feel a difference.hope it continues.

  41. toni
    March 1, 2009 @ 8:21 pm

    Comment

    i just got some of this fastin to try but i also agree you need to eat right and work out regularly or it wont work i have not tryed this yet but it is alot when you can go to the doctor and get phentermin and if you fill it at walmart it only cost you twelve bucks and that stuff is the best stuff you will ever us if you keep up the work out and eating right you will loose lots and keep it off i started that when i was a big 250lbs and now with in almost three to six months i am at a nice 165 i stoped taken the phentermin when i was 180 and i have droped to 165 with just work out and eating right so its just in your head if you have will power you can do it but to help start the proses i do love the phentermin to give you that extra bust of energy to get you going and hay its twelve bucks!!!

  42. mamaofthre
    March 4, 2009 @ 4:34 pm

    Comment

    I’ve been with a personal trainer for 6wks now> My metabolism is up now so I was constantly hungry. I went to GNC today and bought the fastin pills ($69.99). My first pill today, well not sure I want to continue taking the pills. I didn’t like the feeling. Maybe I should give it another chance or cut it in half. What do yal think? I’m wantin to loose 10lbs

  43. laura
    March 24, 2009 @ 1:01 pm

    Comment

    fastin is excellent. it is like phentermine but natural and keeps working over time.

  44. Mandy
    April 18, 2009 @ 5:48 pm

    Comment

    I took Fastin and Adipex for only two Months. I lost 40 pounds by taking the pill, lowering my calorie intake and working out everyday. You can’t expect to take the pill and be able to eat whatever you want. Lossing weight takes work and effort! I have kept the weight off for two years!

  45. christie
    April 19, 2009 @ 12:00 am

    Comment

    well i worked at gnc for 3 years and fastin is not the same thing as phentermine nor is adipex. fastin only contains a few ingredients as phentermine which is a generic for adipex. and i personally think that the fastin need to be reformulated bc of the chalkiness and turing of color. hope this helps

  46. christie
    April 19, 2009 @ 8:17 pm

    Comment

    i have tried fastin and i do not like them

  47. Berni50
    April 25, 2009 @ 2:46 pm

    Comment

    I ordered Fastin because it is arriving here in Seattle, WA from New Jersey in two days (I chose 2nd day for shipping). I have ordered something else that works for me, Provigil, which takes from 10-28 days to arrive from places like India originally. Provigil gives me energy and if someone takes it and keeps busy, it will also make you forget about eating all the time or eating too much. It is a fairly safe drug that is hard to get from doctors – it is mainly for narcoleptics. I had some for two weeks from a friend and loved it! Woke my mind up right away, and also gave me energy. Is is a mild ADHD type ofdrug which helps concentration immemsely. I can’t wait to get it in 2-3 weeks or even sooner. I will get my Fastin by Wednesday and will see what happens with that.

  48. Gretchen
    April 29, 2009 @ 4:33 pm

    Comment

    DO NOT BUY THIS PRODUCT! I have been taking it for a week and half I have lost ZERO pounds!!! I’ve been speed walking for 45 mins each day…and Nada!! I’m so angry! I bought them online from GNC and its total crap, and so overpriced. Also mine are WHITE WITH BLUE SPECKS. Do not waste your money! I too, was fooled by their website making me think that it was the closet thing to phentermine! do not buy! Haven’t even lost ONE pound! :(

  49. Michelle
    May 13, 2009 @ 6:47 am

    Comment

    It felt like I had pms constantly, my boyfriend almost dumped me, I felt like dumping myself. Totally horrible and way to expensive!

  50. ANA
    July 1, 2009 @ 4:21 pm

    Comment

    I LOST 7PDS WITH FASTIN ….. I HAS ALLWAYS WORK FOR ME MY FIRST BOTTLE WAS BACK IN MARCH I LOST 10PDS I STOP FOR 2 MONTHS AND NOW IM TAKING THEM AGAIN AND IS WORKING AGAIN I HAVENT GAIN NO WEIGHT BACK…..AND IM GETTING BACK TO MY BODY …. BUT OFCOURSE AFTER DONE TAKING THE PILLS I TAKE CARE OF WHAT I BUT IN MY MOUTH YOU CANT EXPECT A HOT FLAT STOMACH BY EATING PIZZA, COOKIES, CAKE,FAST FOOD YOU NAME IT BE VERY CAREFULL WHAT GOES IN YOUR MOUTH AND TRUST ME YOU WILL SEE THE BODY YOU WANT

  51. Deely
    July 6, 2009 @ 2:52 pm

    Comment

    I don’t know what Fastin this is, but the original Fastin prescribed by a doctor has been discontinued due to heart attacks in some taking it. It is a shame that everyone has to be punished because of a few, but that is the way of the world. Fastin was indeed the magic pill, but this copy can’t be the same thing or you couldn’t buy it at GMC.

  52. nana0f6
    October 16, 2009 @ 8:21 am

    Comment

    I have been taking phentermine on and off for 2yrs went from size 20 to 16, only lost 25lbs,the weight is still off, but i wanted to lose more,the pills stopped working(they still gave me energy),and i still worked out everyday,just came to a standstill,,,so i bought FASTIN on 10/15/09 so i will see how this works,I am also a grandmother raising 3 grandchildren(alone my husband past away 3yrs ago)kids are 1yr,5yr,6yr old so they keep me going..Wish me luck!

  53. Anonymous
    May 13, 2010 @ 10:22 pm

    Comment

    i love the energy it gives me. i dont get hungry but i still get cravings for food if that makes sense?

  54. Baby Girl 8931
    October 5, 2010 @ 6:16 pm

    Comment

    I have been taking Fastin for about three months and it works great for me. It curves my appetite and it also makes me crave water that is necessary for any diet pill or diet plan. I am worried that after i come off of it i will gain all of the 40 pounds of weight back that i have lost. But we will see.

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