vitamin d

What is the optimum blood level of Vitamin D for maximum testosterone?

Serum vitamin D levels and hypogonadism in men. Sources of Vitamin D Lerchbaum E, et al. Andrology. 2014 Jul 16. doi: 10.1111/j.2047-2927.2014.00247.x. [Epub ahead of print] Abstract There is inconsistent evidence on a possible association of vitamin D and androgen levels in men. We...
- Nelson Vergel
- Thread
- Aug 5, 2014
- Replies: 22
- Forum: Nutrition and Supplements
Video: The Vitamin D and Testosterone Connection

Dr. Lonnie Lowery spoke at the NSCA's 2012 National Conference about the connection between Vitamin D and testosterone. https://www.nsca.com/videos/expert_tips/the_vitamin_d_and_testosterone_connection/
- Nelson Vergel
- Thread
- May 21, 2014
- Replies: 6
- Forum: Nutrition and Supplements
Great Vitamin D Fact Sheet From Canada

I recently discovered a very concise fact sheet with good information about vitamin D, indications, dosages, benefits, and references. Hope you like it! http://www.rxfiles.ca/rxfiles/uploads/documents/Vitamin-D-Overview-QandA.pdf
- Nelson Vergel
- Thread
- May 2, 2014
- Replies: 1
- Forum: Nutrition and Supplements

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