Would you think 100-200mcg biotin to cause an issue in blood tests?![]()
Biotin interference with lab tests - Excel Male Men's Health Forum
Biotin interference Underrecognized patient safety risk in laboratory testing In Western populations, dietary biotin intake is estimated to be 35 to 70 µg daily, a level in line with the recommended dietary allowance. Most multivitamin pills contain about 30 µg of biotin. High-dose...www.excelmale.com
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Sense and nonsense concerning biotin interference in laboratory tests - Excel Male TRT Forum
Sense and nonsense concerning biotin interference in laboratory tests (2020) Alena Moerman & Joris R. Delanghe ABSTRACT Introduction: Biotin supplementation (mainly OTC preparations) has gained popularity. There are concerns about biotin interference in immunoassays and potential...www.excelmale.com
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Testosterone Deficiency in Men - Excel Male Men's Health Forum
Optimizing Diagnostic Accuracy and Treatment Decisions in Men With Testosterone Deficiency (2021) Shalender Bhasin, MB, BS *, Noelle Ozimek, MSc Abstract Objective: This narrative review offers a guideline-based approach for optimizing diagnostic evaluation and treatment decision-making in...www.excelmale.com
*Biotin supplements can interfere with some LH and FSH assays; therefore, these supplements should be stopped at least 3 days before the blood test depending on how much biotin the patient is taking
Looks like what I'm taking then shouldn't matter if I just skip it for one day.
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Biotin Interference in Diagnostic Tests
Despite sobering evidence of no benefit or even possible harm, the use of vitamin and mineral supplements by adults continues to grow. It is estimated thatacademic.oup.com
Looks like what I'm taking then shouldn't matter if I just skip it for one day.
Would you think 100-200mcg biotin to cause an issue in blood tests?
Predict estradiol, DHT, and free testosterone levels based on total testosterone
This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.
Enter your total testosterone value to see predictions
Results will appear here after calculation
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.
Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.
The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.
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