WHAT’S IN NATUBOLIC?
Creatine Monohydrate (Creapure), Androgen Receptor Complete Selective Androgen Receptor Modulator-TG84479 (Teak Oil Extract), Piperine.

REFERENCES:
Shen, Q., Li, X., Yuan, D., & Jia, W. (2010). Enhanced oral bioavailability of daidzein by self-microemulsifying drug delivery system. Chemical and Pharmaceutical Bulletin, 58(5), 639-643.

Howes, M. J., Houghton, P. J., Barlow, D. J., Pocock, V. J., & Milligan, S. R. (2002). Assessment of estrogenic activity in some common essential oil constituents. Journal of pharmacy and pharmacology, 54(11), 1521-1528.

Windeisen, E., Klassen, A., & Wegener, G. (2003). On the chemical characterisation of plantation teakwood from Panama. Holz als roh-und werkstoff, 61(6), 416-418.
 
Araki, N., Ohno, K., Nakai, M., Takeyoshi, M., & Iida, M. (2005). Screening for androgen receptor activities in 253 industrial chemicals by in vitro reporter gene assays using AR-EcoScreen TM cells. Toxicology in vitro, 19(6), 831-842.

Ritter, J. K.; Chen, F.; Sheen, Y. Y.; Tran, H. M.; Kimura, S.; Yeatman, M. T.; Owens, I. S. (1992). A Novel Complex Locus UGT1 Encodes Human Bilirubin, Phenol, and other UDP-Glucuronosyltransferase Isozymes with Identical Carboxyl Termini. Journal of Biological Chemistry 267 (5): 3257–3261.

Takahashi, E., Marczylo, T. H., Watanabe, T., Nagai, S., Hayatsu, H., & Negishi, T. (2001). Preventive effects of anthraquinone food pigments on the DNA damage induced by carcinogens in Drosophila. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis, 480, 139-145.