free t3

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  1. Maca

    RT3 Ratio of 90.. Although pretty sure I have high RT3

    Thyroid Labs TSH - 1.33 uUI/ml ( 0.3 - 5.0 ) Free T4 - 1.33 ng/dl ( 0.8 - 2.0 ) Free T3 - 3.26 pg/ml ( 2.0 - 4.4 ) Reverse T3 - 0.36 ng/ml ( 0.09 - 0.35 ) Do I have an issue? I've had RT3 blood tests over a year now and typically this is the picture, RT3 at top of the range and Free T3 in...
  2. J

    free t3 LC/MS-MS

    Has anyone tested thyroid hormones using LC/MS-MS instead of immunoassay testing? I read a study about the inaccuracy of the immunoassay when testing levels in the lower part of the range especially for free t3. My most recent free t3 level by immunoassay was 2.5pg/ml range 2.0-4.4pg/ml. With a...
  3. G

    Thyroid experiment complete

    Did a one month experiment to see whether a very low dose of thyroid medication would suppress my natural production completely, and leave me with very low thyroid levels due to my replacement dose being extremely low, or if the low dose NDT would just add to my natural endogenous levels. Turns...
  4. T

    Question about free t-3

    Long story short I've had lots of ups and downs on TRT. June 17 2017 went to universal men's clinic in Tulsa Oklahoma, that lasted a year of crashed e-2 etc. (I have Post on board). Went to defy back in July of last year. Anyways I've been battling high e-2, (63 first 3 months, then 67 4 months...
  5. J

    Low free t3 cardiovascular mortality

    I was researching this topic and I found this study online. A few of you may know I questioned targeting higher free t3 during thyroid hormone replacement. Low free t3 and it’s effects on the cardiovascular system may have changed my mind. Theres accutually a good amount of research on this...
  6. Nelson Vergel

    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...
  7. Nelson Vergel

    Dr Lynese Lawson: Beyond Testosterone Lecture

    PART 1 Nelson: Hello everybody, Nelson Vergel here with 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...
  8. Nelson Vergel

    Beyond Testosterone: Interview with Dr Lynese Lawson

    Dr Lawson speaks about factors that can get in the way of effectiveness of testosterone replacement like thyroid dysfunction, insulin resistance, cardiovascular disease and exposure to toxins.Dr. Lawson is the founder and medical director of Proactive Wellness Centers, PLC (PWC) of Vienna...
  9. Nelson Vergel

    Monitoring Your Blood Tests While on Testosterone

    Before undergoing testosterone replacement therapy (TRT), it's vital to obtain a number of blood tests. The main blood tests to measure are: total and free testosterone, hematocrit, PSA, estradiol, HDL cholesterol, and others. Pre-treatment testing provides doctors with baseline values to...
  10. Nelson Vergel

    Low free T3 can increase heart disease

    Low serum free triiodothyronine levels are associated with the presence and severity of coronary artery disease in the euthyroid patients: an observational study. Ertaş F, et al. Anadolu Kardiyol Derg. 2012. Abstract OBJECTIVE: The aim of this study is to investigate the relationship...
  11. Nelson Vergel

    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...
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