free t4

D
Thyroid blood test results (T4 free, TSH, T3)

TL/DR: Endo says these results are fine. She's not concerned about the T4 Free, even though it is barely normal. Is she right? Should she order more tests? T4 Free, Direct: .84 ng/dL (.82 - 1.77) TSH: 1.290 uIU/mL (.45 - 4.5) T3: 86 ng/dL (71 - 180) Recently visited an endo. I like her a...
- Deleted member 42882
- Thread
- Apr 5, 2024
- free t4 labs
- Replies: 2
- Forum: Thyroid, DHEA, Pregnenolone, Progesterone, etc
A
Please Help! Confusing Bloodwork and Hypothyroid symptoms

Please help me understand my blood work and symptoms I’ve been struggling for the longest time with fatigue, stubborn weight, and feeling extremely cold + sluggish, constipated and having ED. I’ve been taking my oral temperature on waking and throughout the day. Waking temp ranges from 92-96...
- AhmetAtay
- Thread
- Nov 25, 2022
- bloodwork free t3 free t4 hypothyodism t3 t4 tsh
- Replies: 6
- Forum: Thyroid, DHEA, Pregnenolone, Progesterone, etc
Free T3/Free T4 Ratio Linked to Metabolic Syndrome

Free Triiodothyronine/Free Thyroxine Ratio rather than Thyrotropin is more associated with Metabolic Parameters in Healthy Euthyroid Adult Subjects. Park SY, et al. Clin Endocrinol (Oxf). 2017. Abstract OBJECTIVE: The interrelation between TSH, thyroid hormones, and metabolic parameters is...
- Nelson Vergel
- Thread
- Apr 11, 2017
- Replies: 0
- Forum: Thyroid, DHEA, Pregnenolone, Progesterone, etc
Dr Lynese Lawson: Beyond Testosterone Lecture

PART 1 Nelson: Hello everybody, Nelson Vergel here with ExcelMale.com. I'm very happy to have Dr. Lawson from the Washington DC area. She's a long term friend of Excel Male and the work we do with men's health and testosterone replacement therapy, among other things. Dr. Lawson is the founder...
- Nelson Vergel
- Thread
- Oct 4, 2016
- Replies: 23
- Forum: Expert Interviews
Thyroid Tests and What They Mean

From Auburn University. THYROID FUNCTION TESTS Thyroid Stimulating Hormone (TSH): The thyroid stimulating hormone (TSH) assay measures the concentration of thyroid stimulating hormone in the serum. TSH assays have been classified by "generation" based on the functional sensitivity of the...
- Nelson Vergel
- Thread
- Feb 1, 2015
- Replies: 8
- Forum: Thyroid, DHEA, Pregnenolone, Progesterone, etc

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