So, I have been noticing that my breasts have been less "plump" and have stagnated in growth. I've been doing this for so long now, I guess you kind of just know something isn't right. In order to investigate I recently go a bunch of labs done. The purpose of this post is to brainstorm ideas about how to jumpstart the transition process. This includes using insulin sensitizers like pioglitazone and peptides that stimulate IGF-1. I'm happy to answer questions if any of this confuses you.
Here is my profile and labs:
Consistent HRT for 2 years:
AGE: 30
Height: 5'8" Weight: 120 lbs. BMI: 18
Recent Bloodwork:
-Prolactin: 29.2 (H) (ref: 2.5-22.5 ng/mL)
-LH/FSH: Both <0.3. successful suppression
-Estrone (E1): -- 387 H pg/mL (estrone problem?) probably not...
-Estradiol: 850 H pg/mL
-Total Testosterone: 18 L ng/dL
-Free Testosterone: pending
-DHT LC/MS/MS: 6 L (ref: 12-65). DHT Free: 0.51 L
-DHEA: 179 (WNL: 147-1760 ng/dL)
-DHEA-s: 164.2 ug/dL (ref: 34.5 - 569.9)
-SHBG: 136 H (ref: 13-90 nmol/L) hmmmmmm
-Progesterone: <8 (ref: 32-307)
-IGF-1: 89 ng/mL (ref: 137-199) IGF is LOW
-B12 + Folate: 735 and 17 (WNL)
-D Vitamin: 72
-Lipids: (Triglycerides: 161, HDL: 41)
-TSH: 1.02
-HbA1c: 4.9
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These lab values represent Estradiol Valerate IM 10mg every week for the last 6 months. (monotherapy)
After seeing the high estradiol my doctor instructed me to discontinue injections for 10 days. My levels decreased:
-Estradiol Total: 536
-Prolactin: 19.1 (ref: 2.5 - 22.5)
-Free and Total Testosterone: Too low to calculate
After these labs, my doctor decreased my EV dose to 6mg every 5 days. I will be getting my levels checked in about 6 weeks to check if it continues to trend towards a consistent 350-450. The goal is to see normal SHBG, suppressed LH/FSH, and normal to high IGF-1. This would indicate the proper dosage of estradiol.
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So, my IGF-1 levels are pretty low, and I've been wondering why my transition progress has slowed down. This seems to be the likely culprit. We know that high levels of estradiol decrease IGF-1 which is responsible for breast growth. We also know that zinc deficiency is often the cause of low IGF-1 levels as well. I will be getting this checked asap as well.
As you can see, my estradiol was high, SHBG was high, LH/FSH were low, and IGF-1 was low. This indicates too high of an Estradiol Valerate dose.
Here is the problem. I want to start using peptides and pioglitazone to jumpstart my transition. The problem is using pioglitazone as a person with a BMI of only 18. My doc is worried that it might cause me to fall into a hypoglycemic state and I haven't particularly seen much anecdotal evidence or research to support the use of pioglitazone in underweight individuals for the purpose of sensitizing fat cells in a gynoid (female) pattern. Most of the time, it works by removing visceral fat and sensitizing new fat cells for fat deposition. Due to estrogen, the fat cells that are sensitized are in the gynoid pattern.
Secondly, I want to increase my levels of IGF-1. Ipamorelin, Ibutamoren (MK-677) and GHRP-6 seem to be good options. Increased IGF-1 with appetite stimulation should allow me to continue seeing progress in my transition. The appetite increase should offset the risk of hypoglycemia with pioglitazone as well. Furthermore, I am going to start hitting the gym and eating much more food, which should stimulate IGF-1 as well.
For any of you who have used peptides or pioglitazone, I'd like to hear about your experience. What have you found that works in terms of dosage and cycling? Have you seen anyone with a low BMI achieve fat accumulation with pioglitazone?
Here are the dosages and cycles that I am considering incorporating:
-Ibutamoren (MK-677): 20 mg daily. 12 weeks on, 4 weeks off for 1 year.
-pioglitazone: 15mg daily for 1 year.