Hormones

Men: What has been your experience with progesterone?

Apr 05

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Sorry, I know there are a ton of other threads on progesterone, but seems like a lot of them get derailed and you have to filter through like 12 pages of comments and studies people posted. I just want to know straight up, what has been your...

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Controversies with Testosterone Replacement Therapy: Lecture by Dr Khera

Mar 28

As usual Nelson's Excel is where it's at! Mohit Khera, MD, MBA, MPH, Professor of Urology, F Brantley Scott Chair in Urology, Medical Director of the Laboratory for Andrology Research, Medical Director for the Scott Department of Urology...

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Case Study: Absorption of Testosterone Cream via Scrotal Delivery

Mar 26

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Case Study: Absorption of Testosterone Cream via Scrotal Delivery. Needham S1, Needham S2. 1Moses Lake Professional Pharmacy, Moses Lake, Washington. 2Alturas Analytics in Moscow, Idaho. Abstract Transdermal testosterone has been used for...

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Steroids & Testosterone: The Science Behind Anabolic Therapies with Nelson Vergel

Mar 18

The one and only! Real special one we are so lucky to have you Nelson! Nelson Vergel’s story is one of resilience, perseverance, and an unrelenting drive to defy the odds. In the mid-1980s, he was handed what many would have considered a...

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Testosterone Products: Oral, Transdermal, Injectable, and More

Mar 08

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29 Medications That May Cause Adverse Interactions with Thyroid Drugs

Mar 03

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The thyroid medication levothyroxine (LEVO-T, LEVOXYL, NOVOTHYROX, SYNTHROID, THYRO-TABS, UNITHROID) is used to treat hypothyroidism, an endocrine disorder resulting from a thyroid homone deficiency that affects about 4.6 percent of the U.S...

General Health Hormones

Pregnenolone Supplementation in Men: Experiences and Dosage Considerations

Feb 28

Users on ExcelMale.com shared their experience with pregnenolone supplementation, providing insights into dosage and effects. Here's a summary of the key points: Dosage and Effects Optimal Dose: The user found benefits at 100mg, including...

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Anabolic steroids and TRT decrease SHBG, DHEA, pregnenolone and progesterone in men.

Feb 20

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Effects of Anabolic Steroids and Testosterone on Hormonal Function in Power Athletes A study published in The Journal of Steroid Biochemistry (1985) investigated the effects of self-administered high doses of testosterone and anabolic steroids on...

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The use of 17-hydroxyprogesterone as a biomarker in men seeking fertility

Feb 20

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Strategies to increase testosterone in men seeking fertility Kevin Y. Chu , Justin K. Achua , Ranjith Ramasamy ABSTRACT The prevalence of testosterone deficiency is increasing in the adolescent and young adult male population. As the...

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Novel therapeutic avenues for kisspeptin

Feb 17

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Novel therapeutic avenues for kisspeptin (2022) Jovanna Tsoutsoukia, Ali Abbarab, and Waljit Dhillo Abstract Kisspeptin is a hypothalamic neuropeptide that acts via the hypothalamus to stimulate hypothalamic gonadotrophin-releasing hormone...

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Testosterone and meibomian gland (eyelid) dysfunction

Feb 13

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Abstract The meibomian gland, the largest sebaceous gland of the body is responsible for the biosynthesis of the lipid layer of the tear film to prevent excessive evaporation. The loss of normal functions of the meibomian gland, known as...

Health & Wellness Hormones

Ipamorelin Dosage Discussion

Feb 06

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On recent labs, my doctor noted my IGF-1 was on the low end, 105ng/mL (range 88-246). He added 350 micrograms of ipamorelin per day to my current protocol, injected before bed every night. I've been trying to do a bit of research on ipamorelin...

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TRT Hormone Predictor Widget

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038