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Eur J Endocrinol. 2025 Jan 6;192(1):15-24. doi: 10.1093/ejendo/lvae166. ABSTRACT OBJECTIVE: We have shown that men aged 50 years+ at high risk of type 2 diabetes treated with testosterone together with a lifestyle program reduced the risk of type 2 diabetes at 2 years by 40% compared to a lifestyle program alone. To develop a personalized … Read more

Listen up, WARRIORS! 💪 What if I told you there’s a SECRET WEAPON that can SUPERCHARGE your body and mind? We’re talking about VITAMIN D – not just a vitamin, but a HORMONE that’ll turn you into an UNSTOPPABLE MACHINE! 🚀 THE TRUTH ABOUT VITAMIN D Forget everything you thought you knew. Vitamin D isn’t … Read more

🔥 ATTENTION MEN: This is NOT Your Average Vitamin Listen up. Most men are SABOTAGING their testosterone without even knowing it. The SECRET WEAPON? Vitamin K2. 🚀 HORMONE DOMINATION: How K2 Transforms Your Masculinity What if I told you there’s a SINGLE NUTRIENT that can: K2 isn’t just a vitamin. It’s your hormonal TACTICAL NUCLEAR … Read more

Sci Rep. 2024 Nov 13;14(1):27777. doi: 10.1038/s41598-024-78807-3. ABSTRACT Despite the great relevance of the neurosteroid allopregnanolone and related isomers to various health conditions, quantification typically involves immunoassay, which suffers from serious issues with cross-reactivity of closely related molecules. This article describes the development and partial validation of a liquid chromatography coupled with tandem mass spectrometry … Read more

Andrology. 2025 Mar;13(3):431-438. doi: 10.1111/andr.13689. Epub 2024 Jul 3. ABSTRACT BACKGROUND: The effects of bariatric surgery on testosterone levels in men with obesity and hypogonadism have not been thoroughly explored yet. OBJECTIVES: To investigate the possible effects of bariatric surgery on T levels in obese hypogonadal men by comparing T levels before and after surgery … Read more

Fr J Urol. 2024 Jul;34(7-8):102659. doi: 10.1016/j.fjurol.2024.102659. Epub 2024 May 31. ABSTRACT BACKGROUND: Advances in chromatography and mass spectrometry have allowed us to develop a novel technique for measuring intraprostatic hormone concentrations directly on prostate needle biopsies, rather than using traditional punch excision. This has significant clinical implications as intraprostatic dihydrotestosterone and testosterone levels could … Read more

Drug Test Anal. 2024 Sep;16(9):977-988. doi: 10.1002/dta.3616. Epub 2023 Dec 4. ABSTRACT Phenethylamine (PEA) is a naturally occurring trace amine that acts as a modulator in the central nervous system. It is widely sold as a dietary supplement and advertised for its mood enhancing effects and should support weight loss. It is prohibited in sports … Read more

Drug Test Anal. 2024 Jun;16(6):661-673. doi: 10.1002/dta.3598. Epub 2023 Nov 13. ABSTRACT The dried blood spot (DBS) is a novel alternative matrix used in 2022 Beijing Winter Olympics and Paralympics. It is capable of distinguishing anabolic androgenic steroid (AAS) esters without the gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS) confirmation. In this study, a method for … Read more

Steroids. 2021 Mar;167:108800. doi: 10.1016/j.steroids.2021.108800. Epub 2021 Feb 5. ABSTRACT BACKGROUND: Steroid hormones are essential signalling molecules in prostate cancer (PC). However, many studies focusing on liquid biomarkers fail to take the hormonal status of these patients into account. Steroid measurements are sensitive to bias caused by matrix effects, thus assessing potential matrix effects is … Read more