306 citations,
August 2011 in “Journal of cachexia, sarcopenia and muscle” Enobosarm significantly increased muscle mass and improved physical function in elderly men and postmenopausal women without serious side effects.
July 2012 in “The Journal of Urology” Testosterone increases muscle mass regardless of DHT conversion blocking.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
July 2023 in “The Journal of Clinical Endocrinology and Metabolism” Gender-affirming hormone therapy improves physical performance in trans men to the level of cisgender men, while in trans women, it increases fat mass and decreases muscle mass, with no advantage in physical performance after 2 years.
92 citations,
November 2003 in “The Journals of Gerontology” Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
211 citations,
May 2013 in “Journal of Nutrition Health & Aging” MK-0773 safely increased muscle mass but did not improve muscle strength or function in elderly women with sarcopenia.
11 citations,
March 2016 in “Translational Andrology and Urology” Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.
34 citations,
December 2012 in “Current Opinion in Clinical Nutrition and Metabolic Care” Sex hormone treatments can increase muscle mass in older adults but have inconsistent effects on muscle function and may carry cardiovascular risks.
9 citations,
November 2017 in “Dermatologic Clinics” Men need higher doses of botox than women and a different approach for facial aesthetics due to their unique facial features and muscle mass.
2 citations,
June 2022 in “대한스포츠의학회지” Anabolic steroids boost muscle growth, SARMs increase muscle mass and bone density without side effects, and myostatin inhibitors block a protein that stops muscle growth, but each has potential risks.
162 citations,
April 2016 in “The Lancet Diabetes & Endocrinology” Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.
1 citations,
September 2022 in “Journal of Medical Case Reports” Rehabilitation therapy helped a severe COVID-19 patient regain muscle mass and return to normal life.
April 2018 in “Gynäkologische Endokrinologie” Testosterone in older women can increase bone density, muscle mass, fat mass, improve memory, and boost libido, but may cause nipple color changes.
21 citations,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
42 citations,
May 2007 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Testosterone can build muscle and bone without enlarging the prostate when a specific enzyme is blocked.
April 2021 in “IntechOpen eBooks” Androgens, male hormones, affect physical and mental functions, with a decrease leading to health issues like muscle loss, bone disease, and depression, and more research is needed on long-term effects and treatments.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
36 citations,
October 2009 in “Journal of biological chemistry/The Journal of biological chemistry” Two new compounds were found to build bone and muscle without affecting reproductive organs and skin oil glands.
15 citations,
August 2016 in “Current Urology Reports” Nandrolone and oxandrolone could help treat male health issues like muscle loss and low testosterone.
March 2024 in “Cosmoderma” Botulinum toxin is used for neck, shoulder, calf, and ankle slimming, and hair loss treatment, but can cause muscle weakness and atrophy with regular use.
21 citations,
April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.
35 citations,
October 2011 in “Medicine and science in sports and exercise” Muscles can make their own androgens, which may help muscle growth.
11 citations,
November 2009 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Bolandiol, a synthetic steroid, builds muscle and bone without greatly affecting sex glands, and works differently from other hormones.
10 citations,
October 2017 in “Dermatologic clinics” Aging in men is influenced by genetics and lifestyle, leading to muscle loss, bone issues, and skin damage.
5 citations,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
2 citations,
March 2012 in “Nature Reviews Endocrinology” The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
72 citations,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
43 citations,
January 2016 in “International Journal of Andrology” Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.
28 citations,
October 1998 in “Baillière's clinical endocrinology and metabolism” Testosterone replacement may help post-menopausal women with androgen insufficiency, but more research is needed on its benefits and risks.
14 citations,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.