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  1. #1
    Silver Phenster tryingtolose23's Avatar
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    I know it depends on the dosage (I'm taking 15 mg to start) but just curious how long it's supposed to last.

    I mean, will I be starving again at 6pm? or does it last most of the day?

    I'm going to be taking it around 9:30am every morning.
    Height: 5'6"
    Starting Weight: 170 lbs 2/20/06
    Current Weight: 154 lbs 5/14/06
    Short-term Goal Weight: 145 by 5/17/06!!
    Goal Weight: 130 lbs

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  3. #2
    Bronze Phenster
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    I take the 37.5mg and I usually take mine around 8 or 9am. It works for me all day and I get a little hungry in the evening but I can usually fight the urge to eat a lot easier. I have never taken the 15mg but if you get hungry in the afternoon you could probably take another pill. I just wouldn't take it after 1pm because of having trouble sleeping.

  4. #3
    Bronze Phenster
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    Hi, I'm new to phen and taking 30mg a day. I take it about 6am when I wake up and feel it kick in about 7am. By that I mean I feel the burst of energy. By midday I'm feeling back to normal energy wise but still not hungry. I go to bed about 11pm and still have no hunger.
    5'5
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  5. #4
    Phen Newbie
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    I take the 30mg. around 7:30 or 8 and with something small like a banana or toast or cereal. Something I learned very quickly that is very important. Mine usually lasts all day also. Although I haven't totally lost my appetite It's just easier for me to not snack and overeat!

    *The week I tried to starve myself I didn't lose a pound but when you provide your body with fuel it will kick up the fat burning furnace and the pounds just fall off. So, if you are hungry eat healthy.
    tlove75
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    SW 264 12/24/05
    CW 248 1/30/05
    GW 180 12/24/06

  6. #5
    Diamond Phenster Choco-cat's Avatar
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    Hey, just as a side note to TLove75, you should take your phen on an empty stomach with a full glass of water. Either take it 1 hour before breakfast or 2 hours after for best results.
    31 years old
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  7. #6
    Gold Phenster beckyinvb's Avatar
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    Also, the 15 & 30 MG capsules are slow release. The 37.5 MG tablets are not slow release - so I think the time they lasts vary. I agree, it's critical to take it on an empty stomach. I alternate between taking it right when I get up and eating some fruit for breakfast a few hours later. Or, I'll eat Cheerios in the morning and then take it mid-morning around 9:30 AM. I take the 30 MG slow release capsules.
    Bec
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  8. #7
    Silver Phenster tryingtolose23's Avatar
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    thanks for the advice

    I only really have time to take it about 30 min before breakfast, hopefully thats good enough!

    and dooes anyone have problems "coming down" from it. I had my first day today and am absoultely exhausted!
    Height: 5'6"
    Starting Weight: 170 lbs 2/20/06
    Current Weight: 154 lbs 5/14/06
    Short-term Goal Weight: 145 by 5/17/06!!
    Goal Weight: 130 lbs

  9. #8
    Silver Phenster nynavae's Avatar
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    I have tried taking it both ways (empty stomach and full). At first I could not take it on an empty stomach or I would throw it back up. This is dr **'ed stuff so it must be the way my body reacts to pills. I don't have the sick issue with other pills except maybe antibiotics when I have had to take those. On a full stomach, it still worked great.

    After being on it a few weeks, I found I could take it on an empty stomach without much sickness and tried that. I didn't feel any different - no less or more hunger, no less or more energy.

    One thing that seems to make it "work" better for me at least is to drink a big glass of water with it. And of course throughout the day. But I take mine about 10am and it seems to carry me through the day.

    I know some are told it must be an hour before breakfast, but I'm not convinced that is an absolute. Recommended, maybe, but do what you have to do to get it down.

    Dumbfox...she may have a much better way of explaining the reasons for the advice on it?
    Ht - 5'9"
    272 (12/16), 264 (12/23),262 (1/06), 258 (1/13) 4 weeks,
    257 (1/20) off phen cycle, 251 (2/03) back on phen, 249 (2/10), 248 (2/17), 247 (2/24),246 (3/03) on phendimetrazine, 246 (3/10) Plateau , 244 (3/24), 240 (3/31), 237 (4/7), 236 (4/20), 232 (5/5), 228 (5/19), 227 (6/9), 221 (6/30)
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  10. #9
    Platinum Phenster dumbfox's Avatar
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    There are no phentermine versions that are "time-released". All phen is considered "long-acting" just because it has a long half-life. The duration of action for the 30mg and 37.5mg pills are between 12-14 hours. Personally, I'm lucky to get 8 hours, but everyone metabolizes drugs differently.

    The half-life of a drug is how long it takes for 1/2 of the dose to decay (be eliminated from the plasma). This doesn't mean it quits working, because most drugs are distributed elsewhere after the plasma clears them (like the brain). This is the time-frame when you start noticing an effect from the drug. Phen has an average half-life of 1.9 - 3.2 hours. So it can take between this amount of time for you to notice appetite suppression. This is highly individual though due to the way each of us metabolize drugs, some people will be much faster, some much slower. Personally, I know it takes about 1 1/2 for phen to kick in for me. However, Bontril always hit me within 45 minutes.

    Does this make sense?







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