Mendurance Supplement for Men 2 x 500mg capsule pack, with herbal extracts, L-arginine and caffeine. Love Sex Longer!

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Craig, I.S. & Morgan, D.W. (1998) Relationship between 800-m running performance and accumulated oxygen deficit in middle-distance runners. Medicine & Science in Sports and Exercise. Volume 30, Issue (11), pp. 1631-1636.

Baumgart, C., Hoppe, M.W. & Freiwald, J. (2014) Different endurance characteristics of female and male German soccer players. Biology of Sport. Volume 31, Issue (3), pp. 227-232. Toussaint, H.M. & Beek, P.J. (1992) Biomechanics of competitive front crawl swimming. Sports Medicine. Volume 13, Issue (1), pp. 8-24. Fenugreek has several studies to show it boosts libido in men. It is a natural ingredient that is thought to help the sexual life of men who use the herb.The Journal of Urology – Most of the research on saw palmetto has to do with prostate and urinary health, not libido and testosterone. Lungs are the most important part of the respiratory system. Their main function is respiration, which can be divided into two phases; inspiration (breathing in oxygen) and expiration (breathing out carbon dioxide). During inhalation, air enters through the mouth and nose and moves: Our mood is strongly connected to good sexual performance. A good attitude affects every other body function, including the reproductive hormones.

Häkkinen, K., Alen, M., Kraemer, W.J., Gorostiaga, E., Izquierdo, M., Rusko, H., Mikkola, J., Valkeinen, H., Kaarakainen, E., Romu, S., Erola, V., Ahtiainen, J. & Paavolainen, L. (2003). Neuromuscular adaptations during concurrent strength and endurance training versus strength training. European Journal of Applied Physiology. Volume 89, Issue (1), pp. 42-52. Wasserman, K., Whipp, B.J., Koyl, S.N. & Beaver W.L. (1973). Anaerobic threshold and respiratory gas exchange during exercise. Journal of Applied Physiology. Volume 35, No. (2), pp. 236-243. British Journal of Pharmacology – We even found research that connects l-arginine to male fertility, though indirectly. L-arginine plays a role in nitric oxide production and nitric oxide plays a role in sperm function, so the two go hand in hand. Sahlin, K. (1992). Metabolic factors in fatigue. Sports Medicine. Volume 13, Issue (2). pp. 99–107. Devries, M.C. (2015) Sex-based differences in endurance exercise muscle metabolism: impact on exercise and nutritional strategies to optimize health and performance in women. Experimental Physiology. Volume 101, Issue (2), pp. 243-249.Phytotherapy Research – Recent research has shown that “Fenugreek extract has a significant effect on total serum testosterone.” These results were reported in 2020 and based on a review of all available research to date.