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References & Scientific Studies

The following is an extensive list of references relating to published scientific studies and clinical reports surrounding Nutracell-Labs products and the pharmaceutical grade ingredients contained therein. Nutracell-Labs products are formulated with the absolute highest standardised ingredients and certified for the highest precision potencies. No product claims are made against Nutracell-Labs products without extensive scientific research and trials. These clinical references are broken up into relevant sections for ease of use.

Testosterone References

  1. Reed WL, Clark ME, Parker PG, Raouf SA, Arguedas N, Monk DS, Snajdr E, Nolan V, Ketterson ED (May 2006). “Physiological effects on demography: a long-term experimental study of testosterone’s effects on fitness”. Am. Nat. 167 (5): 667–83. doi:10.1086/503054. PMID 16671011. Lay summary – ScienceDaily.
  2. Booth A, Johnson DR, Granger DA (February 1999). “Testosterone and men’s health”. J Behav Med 22 (1): 1–19. doi:10.1023/A:1018705001117. PMID 10196726. Lay summary – CNN.
  3. a b c d Mooradian AD, Morley JE, Korenman SG (February 1987). “Biological actions of androgens”. Endocr. Rev. 8 (1): 1–28. doi:10.1210/edrv-8-1-1. PMID 3549275.
  4. a b Bhasin S, Storer TW, Berman N, Callegari C, Clevenger B, Phillips J, Bunnell TJ, Tricker R, Shirazi A, Casaburi R (July 1996). “The effects of supraphysiologic doses of testosterone on muscle size and strength in normal men”. N. Engl. J. Med. 335 (1): 1–7.
  5. Stanworth RD, Jones TH (2008). “Testosterone for the aging male; current evidence and recommended practice”. Clin Interv Aging 3 (1): 25–44. PMC 2544367. PMID 18488876.
  6. a b Freeman ER, Bloom DA, McGuire EJ (February 2001). “A brief history of testosterone”. J. Urol. 165 (2): 371–3. doi:10.1097/00005392-200102000-00004. PMID 11176375.
  7. Harding SM, Velotta JP (May 2011). “Comparing the relative amount of testosterone required to restore sexual arousal, motivation, and performance in male rats”. Horm Behav 59 (5): 666–73. doi:10.1016/j.yhbeh.2010.09.009. PMID 20920505.

Sublingual Delivery References

  1. Pedersen, Gabriel Kristian; Ebensen, Thomas, Gjeraker, Ingrid Hjetland, Svindland, Signe, Bredholt, Geir, Guzmán, Carlos Alberto, Cox, Rebecca Jane, Sambhara, Suryaprakash (NaN undefined NaN). “Evaluation of the Sublingual Route for Administration..”. PLoS ONE 6 (11): e26973. doi:10.1371/journal.pone.0026973.
  2. Sharabi, A; Cohen, E; Sulkes, J; Garty, M (2003). “Replacement therapy for vitamin B12 deficiency: comparison between the sublingual and oral route”. British Journal of Clinical Pharmacology 56 (6): 635–8. doi:10.1046/j.1365-2125.2003.01907.x. PMC 1884303. PMID 14616423.
  3. Song, J.-H.; Nguyen, H. H., Cuburu, N., Horimoto, T., Ko, S.-Y., Park, S.-H., Czerkinsky, C., Kweon, M.-N. (NaN undefined NaN). “From the Cover: Sublingual vaccination..”. Proceedings of the National Academy of Sciences 105 (5): 1644–1649. doi:10.1073/pnas.0708684105.
  4. Raghavan, S; Ostberg, AK, Flach, CF, Ekman, A, Blomquist, M, Czerkinsky, C, Holmgren, J (2010 Oct). “Sublingual immunization..”. Infection and immunity 78 (10): 4251–60

Creatine References

  1. Ziegenfuss, T., Lemon, P., Rogers, M., Ross, R., Yarasheski, K. (1997). Acute creatine ingestion: effects on muscle volume, anaerobic power, fluid volumes, and protein turnover. Medicine & Science in Sports & Exercise, 29, S127.
  2. Volek, J., Kraemer, W., Bush, J., Boetes, M., Incledon, T., Clark, K., Lynch, J. (1997). Creatine supplementation enhances muscular performance during high-intensity resistance exercise. Journal of American Dietetic Association, 97, 765-770.
  3. Becque, B., Lochmann, J., Melrose, D. (1997). Effect of creatine supplementation during strength training on 1 RM and body composition. Medicine & Science in Sports & Exercise, 29, S146.
  4. Vandenberghe, K., Goris, M., Van Hecke, P., Van Leemputte, M., Vangerven, L., Hespel, P. (1997). Long-term creatine intake is beneficial to muscle performance during resistance training. Journal of Applied Physiology, 83, 2055-2063.
  5. Casey, A., Constantin-Teodosiu, D., Howell, D., Hultman, E., Greenhaff, P. (1996). Creatine ingestion favorably affects performance and muscle metabolism during maximal exercise in humans. American Journal of Physiology, 271, E31-37.
  6. Earnest, C., Snell, P., Rodriguez, R., Almada, A., Mitchell, T. (1995). The effect of creatine monohydrate ingestion on anaerobic power indices, muscular strength and body composition. Acta Physiologica Scandinavica, 153, 207-209.
  7. Goldberg, P., & Bechtel, P. (1997). Effects of low dose creatine supplementation on strength, speed and power by male athletes. Medicine & Science in Sports & Exercise, 29, S251.
  8. Kreider, R. (1995). Effects of creatine loading on muscular strength and body composition. Strength Conditioning, 17 (10), 72-73.
  9. Nelson, A., Day, R., Glickman-Weiss, E., Hegstad, M., Sampson, B. (1997). Creatine supplementation raises anaerobic threshold. FASEB Journal, 11, A589.
  10. Johnson, K., Smodic, B., Hill, R. (1997). The effects of creatine monohydrate supplementation on muscular power and work. Medicine & Science in Sports & Exercise, 29, S251
  11. Ruden, T., Parcell, A., Ray, M., Moss, K., Semler, J., Sharp, R. et al. (1996). Effects of oral creatine supplementation on performance and muscle metabolism during maximal exercise. Medicine & Science in Sports & Exercise, 28, S81
  12. Bosco, C., Tihanyi, J., Pucspk, J., Kovacs, I., Gobossy, A., Colli, R. et al. (1997). Effect of oral creatine supplementation on jumping and running performance. International Journal of Sports Medicine, 18, 369-372.
  13. Burke, L., Pyne, D., Telford, R. (1996). Effect of Oral creatine supplementation on single-effort sprint performance in elite swimmers. International Journal of Sport Nutrition, 6, 222-233.
  14. Rae, C., Digney, A .L., McEwan, S.R. & Bates, T.C. (September 2003) Oral creatine monohydrate supplementation improves cognitive performance; a placebo-controlled, double-blind cross-over trial. Proceedings of the Royal Society of London – Biological Sciences.
  15. Deldicque, L. et al., (2005) Increased IGF mRNA in human skeletal muscle after creatine supplementation. Medicine & Science in Sports and Exercise, Volume 37 (5), pages 731-736.
  16. Groeneveld GJ, Beijer C, Veldink JH, Kalmijn S, Wokke JH, van den Berg LH. Few adverse effects of long-term creatine supplementation in a placebo controlled trial. Int J Sports Med. 2005 May;26(4):307-13]
  17. Schedel J. M. et al., (2000) Acute creatine loading enhances human growth hormone secretion. Journal of Sports Medicine & Physical Fitness, Volume 40 (4), pages 336-342. Ziegenfuss TN, Rogers M, Lowery L, Mullins N, Mendel R, Antonio J, Lemon P. Effect of creatine loading on anaerobic performance and skeletal muscle volume in NCAA
  18. Division I athletes. Nutrition. 2002 May; 18(5): 397-402.

Turnera Diffusa References

  1. Balch, Phyllis A. (2002). Prescription for Nutritional Healing: the A to Z Guide to Supplements (2 ed.). Penguin. p. 233. ISBN 978-1-58333-143-9.
  2. Arletti, R., Benelli, A., Cavazzuti, E., Scarpetta, G., & Bertolini, A. (September 1998), “Stimulating property of Turnera diffusa and Pfaffia paniculata extracts on the sexual behavior”, Psychopharmacology 143: 15–19
  3. Estrada-Reyesb, K.R., Ortiz-Lópeza, P., Gutiérrez-Ortíza, J., & Martínez-Mota, L. (June 2009), “Turnera diffusa Wild (Turneraceae) recovers sexual behavior in sexually exhausted males”, Journal of Ethnopharmacology 123: 423–429
  4. Kumar, S., Madaan, R., & Sharma, A. (2009), “Evaluation of Aphrodisiac Activity of Turnera aphrodisiaca”, International Journal of Pharmacognosy and Phytochemical Research 1: 1–4

Tribulus Terrestris References

  1. Brown GA, Vukovich MD, Reifenrath TA, Uhl NL, Parsons KA, Sharp RL, King DS (2000). “Effects of anabolic precursors on serum testosterone concentrations and adaptations to resistance training in young men”. International Journal of Sport Nutrition and Exercise Metabolism 10 (3): 340–59. PMID 10997957.
  2. Rogerson S, Riches CJ, Jennings C, Weatherby RP, Meir RA, Marshall-Gradisnik SM. (2007). “The Effect of Five Weeks of Tribulus terrestris Supplementation on Muscle Strength and Body Composition During Preseason Training in Elite Rugby League Players”. The Journal of Strength & Conditioning Research 21 (2): 348–53. doi:10.1519/R-18395.1. PMID 17530942.
  3. Brown GA, Vukovich MD, Reifenrath TA, et al. (Sep 2000). “Effects of anabolic precursors on serum testosterone concentrations and adaptations to resistance training in young men”. International Journal of Sport Nutrition and Exercise Metabolism 10 (3): 340–59. PMID 10997957.
  4. Bucci LR (2000). “Selected herbals and human exercise performance”. The American journal of clinical nutrition 72 (2 Suppl): 624S–36S. PMID 10919969.
  5. Gauthaman K, Ganesan AP (Jan 2008). “The hormonal effects of Tribulus terrestris and its role in the management of male erectile dysfunction”. Phytomedicine 15 (1-2): 44–54. doi:10.1016/j.phymed.2007.11.011. PMID 18068966.
  6. Brown GA, Vukovich MD, Martini ER, Kohut ML, Franke WD, Jackson DA, King DS (2001). “Endocrine and lipid responses to chronic androstenediol-herbal supplementation in 30 to 58 year old men”. J Am Coll Nutr 20 (5): 520–8. PMID 11601567.
  7. a b Gauthaman K, Adaikan PG, Prasad RN. (2002). “Aphrodisiac properties of Tribulus Terrestris extract (Protodioscin) in normal and castrated rats”. Life Sciences 71 (12): 1385–96. doi:10.1016/S0024-3205(02)01858-1. PMID 12127159.

Pausinystalia Yohimbe References

  1. 41. Ostojic SM (2006). “Yohimbine: the effects on body composition and exercise performance in soccer players”. Research in Sports Medicine 14 (4): 289–99. doi:10.1080/15438620600987106. PMID 17214405.
  2. 42. Andersson, Karl-Erik; Steers, William D. (1998). “The pharmacological basis of sexual therapeutics”. In Morales, Alvaro. Erectile dysfunction: issues in current pharmacotherapy. London: Martin Dunitz. pp. 97–124 [114]. ISBN 978-1-85317-577-0.
  3. 43. Andersson KE (September 2001). “Pharmacology of penile erection”. Pharmacological Reviews 53 (3): 417–50. PMID 11546836.
  4. 44. Adeniyi AA, Brindley GS, Pryor JP, Ralph DJ (May 2007). “Yohimbine in the treatment of orgasmic dysfunction”. Asian Journal of Andrology 9 (3): 403–7. doi:10.1111/J.1745-7262.2007.00276.x. PMID 17486282.

Eleutherococcus Senticosus References

  1. Winston, David; Maimes, Steven (2007). Adaptogens: Herbs for Strength, Stamina, and Stress Relief. Healing Arts Press.
  2. Caso Marasco A, Vargas Ruiz R, Salas Villagomez A, Begona Infante C. (1996). “Double-blind study of a multivitamin complex supplemented with ginseng extract”. Drugs Exp Clin Res. 22 (6): 323–329.
  3. Qi LW, Wang CZ, Yuan CS (2011). “Ginsenosides from American ginseng: chemical and pharmacological diversity”. Phytochemistry 72 (8): 689-99. doi:10.1016/j.phytochem.2011.02.012. PMID 21396670.
  4. Murphy and Lee Ginseng, sex behavior, and nitric oxide, Ann N Y Acad Sci. 2002 May;962:372-7 PMID
  5. Hong B; Ji YH; Hong JH; Nam KY; Ahn TY A double-blind crossover study evaluating the efficacy of korean red ginseng in patients with erectile dysfunction: a preliminary report. J Urol. 2002; 168(5):2070-3 (ISSN: )Department of Urology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
  6. Davydov M, Krikorian AD. (October 2000). “Eleutherococcus senticosus (Rupr. & Maxim.) Maxim. (Araliaceae) as an adaptogen: a closer look”. Journal of Ethnopharmacology 72 (3): 345–393. doi:10.1016/S0378-8741(00)00181-1. PMID 10996277.
  7. de Andrade E; de Mesquita AA; Claro Jde A; de Andrade PM; Ortiz V; Paranhos M; Srougi M Study of the efficacy of Korean Red Ginseng in the treatment of erectile dysfunction. Sector of Sexual Medicine, Division of Urological Clinic of São Paulo University, São Paulo, Brazil.
  8. Hong B, Ji YH, Hong JH, Nam KY, Ahn TY. (2002). “A double-blind crossover study evaluating the efficacy of Korean red ginseng in patients with erectile dysfunction: a preliminary report”. Journal of Urology 168 (5): 20–21. doi:10.1016/S0022-5347(05)64298-X. PMID 12394711.

L-arginine References


  1. U.S. National Library of Medicine (September 2009). Growth hormone stimulation test
  2. Does L-Arginine Increase Growth Hormone Levels?
  3. a b c Tapiero, H.; et al. (November 2002). “L-Arginine”. Biomedicine and Pharmacotherapy 56 (9): 439–445 REVIEW. PMID 12481980.
  4. Alba-Roth J, Müller O, Schopohl J, von Werder K (1988). “Arginine stimulates growth hormone secretion by suppressing endogenous somatostatin secretion”. J Clin Endocrinol Metab 67 (6): 1186–9. doi:10.1210/jcem-67-6-1186. PMID 2903866.
  5. Smriga M, Ando T, Akutsu M, Furukawa Y, Miwa K, Morinaga Y. (2007). “Oral treatment with L-lysine and L-arginine reduces anxiety and basal cortisol levels in healthy humans”. Institute of Life Sciences 28 (2): 85-90. PMID 17510493.
  6. Stanislavov R., Nikolova V (2003). “Treatment of Erectile Dysfunction with Pycnogenol and L-arginine”. Journal of Sex and Marital Therapy 29 (3): 207–213. doi:10.1080/00926230390155104. PMID 12851125.
  7. Lebret, T.; Hervéa, J. M.; Gornyb, P.; Worcelc, M.; Botto, H. (2002). “Efficacy and Safety of a Novel Combination of L-Arginine Glutamate and Yohimbine Hydrochloride: A New Oral Therapy for Erectile Dysfunction”. European Urology 41 (6): 608–613. doi:10.1016/S0302-2838(02)00175-6. PMID 12074777.
  8. “L-Arginine Supplements Nitric Oxide Scientific Studies Food Sources”. Retrieved 2007-02-20.
  9. a b c Witte, M.B.; Barbul, A (Nov-Dec 2003). “Arginine physiology and its implication for wound healing”. Wound Repair and Regeneration 11 (6): 419–423 REVIEW. doi:10.1046/j.1524-475X.2003.11605.x. PMID 14617280.

Paullinia Cupana References

  1. Sale C, Harris RC, Delves S, Corbett J (May 2006). “Metabolic and physiological effects of ingesting extracts of bitter orange, green tea and guarana at rest and during treadmill walking in overweight males”. Int J Obes (Lond) 30 (5): 764–73. doi:10.1038/sj.ijo.0803209. PMID 16418760.
  2. Terpstra AH; Beynen AC; Everts H; Kocsis S; Katan MB; Zock PL (2002 May). “The decrease in body fat in mice fed conjugated linoleic acid is due to increases in energy expenditure..”. J Nutr 132 (5): 940–5. PMID 11983818.
  3. Johannes, Laura (March 2, 2010). “Can a Caffeine-Packed Plant Give a Boost?”. The Wall Street Journal: p. D3.

Camellia Sinensis References

  1. Nagao T, Komine Y, Soga S, et al. (January 2005). “Ingestion of a tea rich in catechins leads to a reduction in body fat and malondialdehyde-modified LDL in men”. Am. J. Clin. Nutr. 81 (1): 122–9. PMID 15640470.
  2. Emad Al-Dujaili, Jon-Paul Bradley, Suzana Almoosawi & Lorna Fyfe (2009). “Effects of green tea consumption on blood pressure, total cholesterol, body weight and fat in healthy volunteers”. Endocrine Abstracts 20: P470.
  3. Dulloo AG, Duret C, Rohrer D, Girardier L, Mensi N, Fathi M, Chantre P, Vandermander J (1999). “Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans”. Am. J. Clin. Nutr. 70 (6): 1040–5. PMID 10584049.
  4. “Studies: Green Tea May Help Prolong Life”. CBS News. December 4, 2006.
  5. a b Cabrera C, Artacho R, Giménez R (April 2006). “Beneficial effects of green tea–a review”. J Am Coll Nutr 25 (2): 79–99. PMID 16582024.
  6. “Israeli researchers show that green tea has rejuvenating effect on damaged brain cells | health”. Israel21c.org. 2007-10-14. Retrieved 2011-03-14.
  7. Dulloo AG, Duret C, Rohrer D, et al. (December 1999). “Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans”. Am. J. Clin. Nutr. 70 (6): 1040–5. PMID 10584049.
  8. Maron DJ, Lu GP, Cai NS, et al. (June 2003). “Cholesterol-lowering effect of a theaflavin-enriched green tea extract: a randomized controlled trial”. Arch. Intern. Med. 163 (12): 1448–53. doi:10.1001/archinte.163.12.1448. PMID 12824094.
  9. Kuriyama S, Hozawa A, Ohmori K, et al. (February 2006). “Green tea consumption and cognitive function: a cross-sectional study from the Tsurugaya Project 1”. Am. J. Clin. Nutr. 83 (2): 355–61. PMID 16469995.

Calcium Pantothenate References

  1. G. David Novelli (1953). “Metabolic Functions of Pantothenic Acid”. Physiol Rev 33 (4): 525–43. PMID 13100068.