GNx - Giatros Nutrition Dr. TestoMax - Natural Testosterone Booster 120 Caps

Νόμιμο συμπλήρωμα διατροφής με αριθμό γνωστοποίησης ΕΟΦ 156651/18-12-2025

DIRECTIONS OF USE.
Take 2 capsules with breakfast and 2 capsules with lunch or as directed by your doctor or pharmacist.

SUPPLEMENT FACTS.
Serving Size: 2 Capsules (2 Doses per Day)
Servings per Container: 30

	4 Caps	% NRV
Ashwagandha (KSM-66®)	600mg	**
Fenugreek Extract (50% Saponins)	900mg	**
Shilajit Extract (20% Fulvic Acid)	500mg	**
Mucuna Pruriens Extract (15% L-Dopa)	500mg	**
Boron (as Boric Acid)	10mg	**
Sunflower Lecithin	80mg	**
* NRV = Nutrient Reference Value (EU Regulation 1169/2011). ** NRV not established.

Dr.TestoMax by Giatros Nutrition (GNx)

The TestoMax is an evidence-based testosterone booster, crafted for men aiming to elevate hormonal performance, vitality, and recovery. Rooted in endocrine physiology and supported by human trials, it blends adaptogens, androgen-supportive botanicals, and dopaminergic nutrients to naturally support testosterone production. Whether you're an athlete, biohacker, or looking to reclaim your edge, Dr. TestoMax offers hormone optimization backed by science. Whether you're an athlete, biohacker, or looking to reclaim your edge, Dr. TestoMax offers hormone optimization backed by science.

Ashwagandha is an evidence-based adaptogen that modulates the hypothalamic–pituitary–adrenal (HPA) and hypothalamic–pituitary–gonadal (HPG) axes. It lowers cortisol levels by regulating the stress response via the GABAergic and serotonergic systems, thereby reducing catabolism. This cortisol reduction is strongly associated with increased levels of total and free testosterone, as well as luteinizing hormone (LH). Clinical trials have also shown that Ashwagandha improves post-exercise recovery, VO₂max, fertility parameters, and sexual satisfaction. Furthermore, evidence supports its role in enhancing resilience to physical and psychological stressors, supporting the endocrine, immune, and central nervous systems.

Fenugreek is rich in steroidal saponins — primarily protodioscin — which exhibit anti-aromatase activity, thereby reducing the enzymatic conversion of testosterone to estradiol. This leads to increased total testosterone by minimizing estrogen-mediated negative feedback on the hypothalamic–pituitary–gonadal axis. Additionally, fenugreek has been shown to lower sex hormone-binding globulin (SHBG), resulting in higher free (bioavailable) testosterone levels. Clinical trials report improvements in libido, sexual arousal, and muscle strength, along with beneficial effects on body composition and insulin sensitivity. Further evidence suggests that fenugreek works synergistically with resistance training by increasing androgen receptor sensitivity, while it also improves muscular creatine absorption.

The Shilajit is a highly bioactive natural resin of mineral origin, rich in fulvic acid, dibenzopyrones, urea, and humic substances — compounds that work synergistically to enhance mitochondrial function, electron transport, and ATP synthesis. Randomized clinical trials in humans have shown that shilajit increases both total and free testosterone levels, while also improving sperm parameters. Fulvic acid additionally exhibits anti-inflammatory properties and boosts nitric oxide (NO) production, indirectly supporting vascular perfusion and steroidogenesis by Leydig cells.

The Boron is an essential ultratrace element involved in the regulation of steroid hormones, calcium and magnesium metabolism, and the modulation of inflammatory pathways. Human trials have shown that it can reduce SHBG, thereby increasing the biologically active fraction of free testosterone. In addition to its role in hormonal balance, boron supports bone mineral density, cognitive function, and prostate health, while also exerting anti-inflammatory effects — making it a systemic health-supportive element.

Mucuna pruriens is a leguminous adaptogen naturally rich in L-Dopa, the direct precursor to dopamine. Dopaminergic signaling plays a pivotal role in stimulating gonadotropin-releasing hormone (GnRH) release from the hypothalamus, which in turn enhances luteinizing hormone (LH) and testosterone production in the testes. Additionally, L-Dopa enhances libido, mood, and sexual motivation, while mitigating stress-induced prolactin elevations that suppress the HPG axis. Mucuna has been shown to improve sperm parameters in men under oxidative stress, partly via upregulation of antioxidant enzymes like superoxide dismutase (SOD) and glutathione peroxidase (GPx).

Phospholipids: Phospholipids act as carriers and absorption enhancers, forming liposomal or micellar complexes with bioactive compounds. Through this mechanism, they improve the solubility of ingredients in lipid environments, enhance cell membrane permeability, and increase their bioavailability. Unlike substances such as piperine, they do not affect enzymatic systems (e.g., CYP450) or transport proteins, but act through physicochemical protection and transport of molecules, preventing their degradation in the gastrointestinal tract. This provides a safety advantage, as they present no risk of pharmacokinetic interactions.

References

- Skrzypiec-Spring M, Pokrywka A, Kuliczkowska-Płaksej J, Szeląg A, Bolanowski M. Withania somnifera and Trigonella foenum-graecum as ingredients of testosterone-boosting supplements: Possible clinical implications. Adv Clin Exp Med. 2025 Feb;34(2):295-303. doi: 10.17219/acem/185743.

- Smith SJ, Lopresti AL, Teo SYM, Fairchild TJ. Examining the Effects of Herbs on Testosterone Concentrations in Men: A Systematic Review. Adv Nutr. 2021 Jun 1;12(3):744-765. doi: 10.1093/advances/nmaa134.

- Smith SJ, Lopresti AL, Fairchild TJ. Exploring the efficacy and safety of a novel standardized ashwagandha (Withania somnifera) root extract (Witholytin®) in adults experiencing high stress and fatigue in a randomized, double-blind, placebo-controlled trial. J Psychopharmacol. 2023 Nov;37(11):1091-1104. doi: 10.1177/02698811231200023.

- Mansoori A, Hosseini S, Zilaee M, Hormoznejad R, Fathi M. Effect of fenugreek extract supplement on testosterone levels in male: A meta-analysis of clinical trials. Phytother Res. 2020 Jul;34(7):1550-1555. doi: 10.1002/ptr.6627.

- Albaker WI. Fenugreek and Its Effects on Muscle Performance: A Systematic Review. J Pers Med. 2023 Feb 27;13(3):427. doi: 10.3390/jpm13030427.

- Isenmann E, Alisauskas P, Flenker U, Schalla J, Diel P. The Anabolic Effect of Fenugreek: A Systematic Review with Meta-analysis. Int J Sports Med. 2023 Sep;44(10):692-703. doi: 10.1055/a-2048-5925.

- Taylor L, Poole C, Pena E, Lewing M, Kreider R, Foster C, Wilborn C. Effects of Combined Creatine Plus Fenugreek Extract vs. Creatine Plus Carbohydrate Supplementation on Resistance Training Adaptations. J Sports Sci Med. 2011 Jun 1;10(2):254-60.

- Naghii MR, Mofid M, Asgari AR, Hedayati M, Daneshpour MS. Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines. J Trace Elem Med Biol. 2011 Jan;25(1):54-8. doi: 10.1016/j.jtemb.2010.10.001.

- Ferrando AA, Green NR. The effect of boron supplementation on lean body mass, plasma testosterone levels, and strength in male bodybuilders. Int J Sport Nutr. 1993 Jun;3(2):140-9. doi: 10.1123/ijsn.3.2.140.

- Green NR, Ferrando AA. Plasma boron and the effects of boron supplementation in males. Environ Health Perspect. 1994 Nov;102 Suppl 7(Suppl 7):73-7. doi: 10.1289/ehp.94102s773.

- Pizzorno L. Nothing Boring About Boron. Integr Med (Encinitas). 2015 Aug;14(4):35-48.

- Duydu Y, Başaran N, Aydın S, Üstündağ A, Yalçın CÖ, Anlar HG, Bacanlı M, Aydos K, Atabekoğlu CS, Golka K, Ickstadt K, Schwerdtle T, Werner M, Meyer S, Bolt HM. Evaluation of FSH, LH, testosterone levels and semen parameters in male boron workers under extreme exposure conditions. Arch Toxicol. 2018 Oct;92(10):3051-3059. doi: 10.1007/s00204-018-2296-7.

- Pandit S, Biswas S, Jana U, De RK, Mukhopadhyay SC, Biswas TK. Clinical evaluation of purified Shilajit on testosterone levels in healthy volunteers. Andrologia. 2016 Jun;48(5):570-5. doi: 10.1111/and.12482.

- Rajpoot A, Yadav K, Yadav A, Mishra RK. Shilajit mitigates chemotherapeutic drug-induced testicular toxicity: Study on testicular germ cell dynamics, steroidogenesis modulation, and Nrf-2/Keap-1 signaling. J Ayurveda Integr Med. 2024 Jul-Aug;15(4):100930. doi: 10.1016/j.jaim.2024.100930.

- Shukla KK, Mahdi AA, Ahmad MK, Shankhwar SN, Rajender S, Jaiswar SP. Mucuna pruriens improves male fertility by its action on the hypothalamus-pituitary-gonadal axis. Fertil Steril. 2009 Dec;92(6):1934-40. doi: 10.1016/j.fertnstert.2008.09.045.

- Shukla KK, Mahdi AA, Ahmad MK, Jaiswar SP, Shankwar SN, Tiwari SC. Mucuna pruriens Reduces Stress and Improves the Quality of Semen in Infertile Men. Evid Based Complement Alternat Med. 2010 Mar;7(1):137-44. doi: 10.1093/ecam/nem171.