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4-Androstene-3,6,17-trione. 4-Androstene-3,6,17-trione ( 4-AT; also marketed as 6-OXO or 4-etioallocholen-3,6,17-trione) is a drug or nutritional supplement that may increase the testosterone-estrogen ratio, but has no proven effect on body composition. Its use can be detected in urine.
Androstenedione, or 4-androstenedione (abbreviated as A4 or Δ4-dione ), also known as androst-4-ene-3,17-dione, is an endogenous weak androgen steroid hormone and intermediate in the biosynthesis of estrone and of testosterone from dehydroepiandrosterone (DHEA). It is closely related to androstenediol (androst-5-ene-3β,17β-diol).
ATD has many names in sports supplements including: 1,4,6 etiollochan-dione, 3, 17-keto-etiochol-triene, androst-1,4,6-triene-3,17-dione and many others. These all refer to CAS# 633-35-2. ATD may cause a positive test for the anabolic steroid Boldenone, of which it is a possible metabolite and production contaminant. ATD is also prohibited in ...
Exemestane is known chemically as 6-methylideneandrosta-1,4-diene-3,17-dione. Like the aromatase inhibitors formestane and atamestane, exemestane is a steroid that is structurally similar to 4-androstenedione, the natural substrate of aromatase. It is distinguished from the natural substance only by the methylidene group in position 6 and an ...
Specialty. Endocrinology. Late-onset hypogonadism ( LOH) or testosterone deficiency syndrome ( TDS) [1] [2] is a term for a condition in older men characterized by measurably low testosterone levels and clinical symptoms mostly of a sexual nature, including decreased desire for mating, fewer spontaneous erections, and erectile dysfunction. [3]
Testosterone undecanoate, or testosterone 17β-undecanoate, is a synthetic androstane steroid and a derivative of testosterone. [ 39][ 40] It is an androgen ester; specifically, it is the C17β undecylate (undecanoate) ester of testosterone. [ 39][ 40] A related testosterone ester with a similarly very long duration is testosterone buciclate ...
Testosterone enanthate is an androgen and anabolic steroid (AAS) medication which is used mainly in the treatment of low testosterone levels in men. [ 3][ 4][ 5] It is also used in hormone therapy for transgender men. [ 6] It is given by injection into muscle or subcutaneously usually once every one to four weeks. [ 5][ 7][ 2]
Lemborexant is used in the treatment of insomnia in adults. [3]A major systematic review and network meta-analysis of medications for the treatment of insomnia published in 2022 found that lemborexant had an effect size (standardized mean difference (SMD)) against placebo for treatment of insomnia at 4 weeks of 0.36 (95% CI Tooltip confidence interval 0.08 to 0.63) and at 3 months of 0.41 (95% ...