Should I Fast Before My Bloodtest?

[KidCapriB]

Within the next few days I'm planning to have the works done: Total T, Free T, Estradiol, LH, FSH, SHBG, etc. I plan on doing this on a day where I wake up with morning wood and feel excellent, to see if my theory is right that on certain days I am producing almost normal levels. What would be the best way to do this, fasting or is eating before ok?

 

[Megazoid]

I was told to fast before hormonal blood work. I was told to fast 12 hour's before hand.

 

[JanSz]

Within the next few days I'm planning to have the works done: Total T, Free T, Estradiol, LH, FSH, SHBG, etc. I plan on doing this on a day where I wake up with morning wood and feel excellent, to see if my theory is right that on certain days I am producing almost normal levels. What would be the best way to do this, fasting or is eating before ok?

I will take a shot, hopefully others will chime in.

1. Have a blood draw in the morning, say 7:15AM, specially when you will have to come back afternoon for PM Cortisol draw
2. No food since midnight, but stay hydrated, drink, say, 12oz of water 6AM, do not go to the bathroom, so you have urine specimen ready
3. Do not put any Tgel, Tcream or do T shots, HCG shots, DHEA pills, Armour, Corteff, Isocort, DIM, Arimidex, other supplements, before a blood draw ( I think last Armour should be like 4-6 hours before draw, so adjust schedule right before a draw)
4. Be on a steady schedule with your medications and supplements for a 4 or better 6 weeks before blood draw.
5. The night before, shower or clean thoroughly the broad skin area where blood will be drawn, plain soap.
6. do not ejaculate 48 (may be more) hours before blood draw
7. skip gym or other strenous (unusual) work for 48 hours before blood draw

 

[Recless]

Hmmm...I have never fasted before hormonal blood work. Only when other tests such as lipids were being done as well.

 

[pmgamer18]

I fast only because of other tests needing me to fast like fasting glucose. Other wise if your do fast and it's not a bad Idea do it every time you test.

 

[cpeil2]

It is important to be well hydrated when you have blood drawn, so drink water.

Drinking coffee can skew a cortisol level.

The only test results that are effected by whether or not you eat before having blood drawn are glucose and triglycerides.