N-TENSE combines the rainforest's most potent and powerful plants into one synergistic formula. This proprietary and topical formula for the skin is similar to our popular N-Tense Capsules. These power plants have been independently documented around the world with active biological actions.* This high quality formula is backed by Raintree's Unconditional Guarantee.

Each rainforest botanical in N-Tense Topical has been sustainably harvested in the Amazon Rainforest. They are processed without chemicals or irraditation. Click here to learn more about our rainforest wild harvesing methods.

A 2 ounce bottle is $21.95 each
Or buy 3 bottles for $20.95 each
Or buy 6 bottles for $18.95 each

This proprietary Raintree product has not been the subject of any clinical research. A partial listing of published research on each herbal ingredient in the formula is shown below. Please refer to the plant database files by clicking on the plant names below to see all available documentation and research.

Sangre de Grado (Croton lechleri)
Rossi, D., et al. “Evaluation of the mutagenic, antimutagenic and antiproliferative potential of Croton lechleri (Muell. Arg.) latex.” Phytomedicine. 2003 Mar; 10(2-3): 139-44.
Sandoval, M., et al. “Sangre de grado (Croton palanostigma) induces apoptosis in human gastrointestinal cancer cells.” J. Ethnopharmacol. 2002; 80(2-3): 121–9.
Chen, Z. P., et al. “Studies on the anti-tumour, anti-bacterial, and wound-healing properties of dragon’s blood.” Planta Med. 1994; 60(6): 541–45.
Pieters, L., et al. “Isolation of a dihydrobenzofuran lignan from South American dragon’s blood (Croton sp.) as an inhibitor of cell proliferation.” J. Nat. Prod. 1993; 56(6): 899–906.
Itokawa, H., et al. “A cytotoxic substance from sangre de grado.” Chem. Pharm. Bull. 1991; 39(4): 1041–42.

Copaiba Resin (Copaifera sp.)
Ohsaki, A., et al. “The isolation and in vivo potent antitumor activity of clerodane diterpenoids from the oleoresin of Brazilian medicinal plant Copaifera langsdorfii Desfon.” Bioorg. Med. Chem. Lett. 1994; 4: 2889–92.
Cavalcanti, B. C., et al. “Genotoxicity evaluation of kaurenoic acid, a bioactive diterpenoid present in Copaiba oil.” Food Chem. Toxicol. 2006; 44(3): 388-92.
Krauchenco, S., et al. “Three-dimensional structure of an unusual Kunitz (STI) type trypsin inhibitor from Copaifera langsdorffii.” Biochimie. 2004; 86(3): 167-72.
Lima, S. R., et al. “In vivo and in vitro studies on the anticancer activity of Copaifera multijuga Hayne and its fractions.” Phytother. Res. 2003 Nov; 17(9): 1048-53.
Costa-Lotufo, L. V., et al. “The cytotoxic and embryotoxic effects of kaurenoic acid, a diterpene isolated from Copaifera langsdorffi.” Toxicon. 2002; 40(8): 1231–34.
de Almeida Alves, T. M., et al. “Biological screening of Brazilian medicinal plants.”Mem. Inst. Oswaldo Cruz 2000; 95(3): 367–73.

Graviola (Annona muricata)
Kojima, N. “Systematic synthesis of antitumor Annonaceous acetogenins” Yakugaku Zasshi. 2004; 124(10): 673-81
Tormo, J. R., et al. “In vitro antitumor structure-activity relationships of threo/trans/threo mono-tetrahydro-furanic acetogenins: Correlations with their inhibition of mitochondrial complex I.” Oncol. Res. 2003; 14(3): 147-54.
Yuan, S. S., et al. “Annonacin, a mono-tetrahydrofuran acetogenin, arrests cancer cells at the G1 phase and causes cytotoxicity in a Bax- and caspase-3-related pathway.” Life Sci. 2003 May: 72(25): 2853-61.
Liaw, C. C., et al. “New cytotoxic monotetrahydrofuran Annonaceous acetogenins from Annona muricata.” J. Nat. Prod. 2002; 65(4): 470-75.
Gonzalez-Coloma, A., et al. “Selective action of acetogenin mitochondrial complex I inhibitors.” Z. Naturforsch. 2002; 57(11-12): 1028-34.
Chang, F. R., et al. “Novel cytotoxic Annonaceous acetogenins from Annona muricata.” J. Nat. Prod. 2001; 64(7): 925-31.
Jaramillo, M. C., et al. “Cytotoxicity and antileishmanial activity of Annona muricata pericarp.” Fitoterapia. 2000; 71 (2): 183-6.
Betancur-Galvis, L., et al. “Antitumor and antiviral activity of Colombian medicinal plant extracts.” Mem. Inst. Oswaldo Cruz. 1999; 94(4): 531-35.
Wu, F. E., et al. “Two new cytotoxic monotetrahydrofuran Annonaceous acetogenins, annomuricins A and B, from the leaves of Annona muricata.” J. Nat. Prod. 1995; 58(6): 830-36.
Oberlies, N. H., et al. “Tumor cell growth inhibition by several Annonaceous acetogenins in an in vitro disk diffusion assay.” Cancer Lett. 1995; 96(1): 55-62.

Espinheira Santa (Maytenus ilicifolia)
Liu, Z., et al. “Metabolism studies of the anti-tumor agent maytansine and its analog ansamitocin P-3 using liquid chromatography/tandem mass spectrometry.” J. Mass. Spectrom. 2005; 40(3): 389-99.
Nakao, H., et al. “Cytotoxic activity of maytanprine isolated from Maytenus diversifolia in human leukemia K562 cells.” Biol. Pharm. Bull. 2004; 27(8): 1236-40.
Cassady, J. M., et al. “Recent developments in the maytansinoid antitumor agents.” Chem. Pharm. Bull. 2004; 52(1): 1-26.
Ohsaki, A., et al. “Four new triterpenoids from Maytenus ilicifolia.” J. Nat. Prod. 2004; 67(3): 469-71.
Horn, R. C., et al. “Antimutagenic activity of extracts of natural substances in the Salmonella/microsome assay.” Mutagenesis. 2003 Mar; 18(2): 113-8.
Buffa Filho, W., et al. “Quantitative determination for cytotoxic Friedo-nor-oleanane derivatives from five morphological types of Maytenus ilicifolia (Celastraceae) by reverse-phase high-performance liquid chromatography.” Phytochem. Anal. 2002 Mar-Apr; 13(2): 75-8.
Itokawa, H., et al. “Antitumor substances from South American plants.” Pharmacobio. Dyn. 1992; 15(1): S
Fox, B. W. “Medicinal plants in tropical medicine. 2. Natural products in cancer treatment from bench to the clinic.” Trans. R. Soc. Trop. Med. Hyg. 1991; 85(1): 22-5.

Suma (Pfaffia paniculata)
da Silva, T. C., et al. “Inhibitory effects of Pfaffia paniculata (Brazilian ginseng) on preneoplastic and neoplastic lesions in a mouse hepatocarcinogenesis model.” Cancer Lett. 2005 Aug; 226(2): 107-13.
Matsuzaki, P., et al. “Antineoplastic effects of butanolic residue of Pfaffia paniculata.” Cancer Lett. 2005 Jul 25;
Matsuzaki, P., et al. “Effect of Pfaffia paniculata (Brazilian ginseng) on the Ehrlich tumor in its ascitic form.” Life Sci. 2003 Dec; 74(5): 573-9.
Takemoto, T., et al. “Antitumor pfaffosides from Brazilian carrots.” Japanese patent no. 84/184,198. October 19, 1984.

Bellaco-caspi (Himatanthus sucuuba)
Guignard, E., et al. "Screening of plants found in Amazonas state for lethality towards brine shrimp." Acta Amazonica. 2003; 33(1): 93-104.
Bolzani, V., et al. "Search for antifungal and anticancer compounds from native plant species of cerrado and Atlantic Forest." An. Acad. Bras. Cienc. 1999; 71(2): 181-7.
Persinos-Perdue, G., et al. " South American plants. III. Isolation of fulvoplumierin from Himatanthus sucuuba (Apocynaceae). J. Pharm. Sci. 1978; 67: 1322.
Kardono, L., et al. "Cytotoxic constituents of the bark of Plumeria rubra collected in Indonesia." J. Nat. Prod. 1990 Nov-Dec; 53(6):1447-55.
Wood, C. A., et al. "A bioactive spirolactone iridoid and triterpenoids from Himatanthus sucuuba." Chem. Pharm. Bull. 2001; 49(11): 1477-1478.
De Silva, J. R., et al. "Triterpenic esters from Himatanthus sucuuba (Spruce) Woodson." Quimica Nova 1998; 21(6): 702-704.
Abdel-Kader, M., et al. "Bioactive iridoids and a new lignan from Allamanda cathartica and Himatanthus fallax from the Suriname rainforest." J. Nat. Prod. 1997; 60(12): 1294-7.
Hamburger, M., et al. "Traditional medicinal plants of Thailand. XVII. Biologically active constituents of Plumeria rubra." J. Ethnopharmacol. 1991 Jul; 33(3): 289-92.

Huacapu (Minquartia guianensis)
Marles, R. J., et al. "Isolation of a novel cytotoxic polyacetylene from a traditional anthelmintic medicinal plant, Minquartia guianensis." J. Nat. Prod. 1989; 52(2): 261-266.
Ito, A., et al. "Cytotoxic polyacetylenes from the twigs of Ochanostachys amentacea." J. Nat. Prod. 2001; 64(2): 246-248.
Farnsworth, N. R., et al. "Isolation of a novel cytotoxic polyacetylene from a traditional anthelmintic medicinal plant: Minquartia guianensis Aubl. (Olacaceae). Abstr International Congress on Natural Products Research Park City, UT July 17-21 1988: Abstr-22 .
Quignard, E. L. J., et al. "Screening of plants found in Amazonas state for lethality towards brine shrimp." Acta Amazonica. 2003; 33(1): 93-104.
Quignard, E. L. J., et al. "Medium lethal concentrations of amazonian plant extracts in the brine shrimp assay." Pharmaceutical Biology. 2004; 42(3): 253-257.
Rasmussem, H. B., et al. "Absolute configuration and antiprotozoal activity of minquartynoic acid." J. Nat. Prod. 2000; 63(9): 1295-1296.

Pau d'arco (Tabebuia impetiginosa)
Lee, J. H., et al. “Down-regulation of cyclooxygenase-2 and telomerase activity by beta-lapachone in human prostate carcinoma cells.” Pharmacol. Res. 2005; 51(6): 553-60.
Reinicke, K. E., et al. “Development of beta-lapachone prodrugs for therapy against human cancer cells with elevated NAD(P)H:quinone oxidoreductase 1 levels.” Clin. Cancer Res. 2005 Apr; 11(8): 3055-64.
Woo, H. J., et al. “Growth inhibition of A549 human lung carcinoma cells by beta-lapachone through induction of apoptosis and inhibition of telomerase activity.” Int. J. Oncol. 2005; 26(4): 1017-23.
Park, H. J., et al. “Heat-induced up-regulation of NAD(P)H:quinone oxidoreductase potentiates anticancer effects of beta-lapachone.” Clin. Cancer Res. 2005 Dec; 11(24 Pt 1): 8866-71.
Balassiano, I. T., et al. “Demonstration of the lapachol as a potential drug for reducing cancer metastasis. Oncol. Rep. 2005; 13(2): 329-33
Choi, B. T., et al. “beta-Lapachone-induced apoptosis is associated with activation of caspase-3 and inactivation of NF-kappaB in human colon cancer HCT-116 cells.” Anticancer Drugs. 2003 Nov; 14(10): 845-50.
Renou, S. G., et al. “Monoarylhydrazones of alpha-lapachone: synthesis, chemical properties and antineoplastic activity.” Pharmazie. 2003 Oct; 58(10): 690-5.
Choi, Y. H., et al. “Suppression of human prostate cancer cell growth by beta-Lapachone via down-regulation of PRB phosphorylation and induction of Cdk Inhibitor p21(WAF1/CIP1).” J. Biochem. Mol. Biol. 2003 Mar; 36(2): 223-9.
Colman de Saizarbitoria, T., et al. “Bioactive furonaphtoquinones from Tabebuia barbata (Bignoniaceae).” Acta Cient. Venez. 1997; 48(1): 42-6.
Ueda, S., et al. “Production of anti-tumour-promoting furanonaphthoquinones in Tabebuia avellanedae cell cultures.” Phytochemistry. 1994 May; 36(2): 323-5.
Schuerch, A. R., et al. “B-Lapachone, an inhibitor of oncornavirus reverse transcriptase and eukarotic DBA polymerase-a. Inhibitory effect, thiol dependency and specificity.” Eur. J. Biochem. 1978; 84: 197–205.
Linardi, M. D. C., et al. “A lapachol derivative active against mouse lymphocyte leukemia P-388.” J. Med. Chem. 1975; 18(11): 1159–62.
Block, J. B., et al. “Early clinical studies with lapachol (NSC-11905).” Cancer Chemother. Rep. 1974; 4: 27–8.
Santana, C. F., et al. “Preliminary observation with the use of lapachol in human patients bearing malignant neoplasms.” Revista do Instituto de Antibioticos 1971; 20: 61–8.
Rao, K. V., et al. “Recognition and evaluation of lapachol as an antitumor agent.” Canc. Res. 1968; 28: 1952–54.

Mullaca (Physalis angulata)
Hsieh, W. T., et al. “Physalis angulata induced G2/M phase arrest in human breast cancer cells.” Food Chem Toxicol. 2006 Jan 18;
Wu, S. J., et al. “Antihepatoma activity of Physalis angulata and P. peruviana extracts and their effects on apoptosis in human Hep G2 cells.” Life Sci. 2004 Mar; 74(16): 2061-73.
Kawai, M., et al. “Cytotoxic activity of physalins and related compounds against HeLa cells.” Pharmazie 2002; 57(5): 348–50.
Ismail, N., et al. “A novel cytotoxic flavonoid glycoside from Physalis angulata.” Fitoterapia. 2001 Aug. 72(6): 676–79
Chiang, H., et al. “Antitumor agent, physalin F from Physalis angulata L.” Anticancer Res. 1992; 12(3): 837–43.
Lee, W. C., et al. “Induction of heat-shock response and alterations of protein phosphorylation by a novel topoisomerase II inhibitor, withangulatin A, in 9L rat brain tumor cells.” Cell Physiol. 1991; 149(1): 66-67.
Juang, J. K., et al. “A new compound, withangulatin A, promotes type II DNA topoisomerasemediated DNA damage.” Biochem. Biophys. Res. Commun. 1989; 159(3): 1128–34.

Vassourinha (Scoparia dulcis)
Kasperczyk, H., et al. “Betulinic acid as new activator of NF-kappaB: molecular mechanisms and implications for cancer therapy.” Oncogene. 2005 Oct; 24(46): 6945-56.
Fulda, S., et al. “Sensitization for anticancer drug-induced apoptosis by betulinic acid." Neoplasia. 2005; 7(2):162-70
Garg, A. K., et al. “Chemosensitization and radiosensitization of tumors by plant polyphenols.” Antioxid. Redox. Signal. 2005; 7(11-12): 1630-47.
Ahsan, M., et al. “Cytotoxic diterpenes from Scoparia dulcis.” J. Nat. Prod. 2003; 66(7): 958-61.
Fulda, S., et al. “Betulinic acid induces apoptosis through a direct effect on mitochondria in neuroectodermal tumors.” Med. Pediatr. Oncol. 2000; 35(6): 616–18
Fulda, S., et al. “Betulinic acid: A new cytotoxic agent against malignant brain-tumor cells.” Int. J. Cancer 1999; 82(3): 435–41.
Noda, Y., et al. “Enhanced cytotoxicity of some triterpenes toward leukemia L1210 cells cultured in low pH media; possibility of a new mode of cell killing.” Chem. Pharm. Bull. 1997; 45(10): 1665–70.
Arisawa, M. “Cell growth inhibition of KB cells by plant extracts.” Natural Med. 1994; 48(4): 338–47.
Nishino, H. “Antitumor-promoting activity of scopadulcic acid B, isolated from the medicinal plant Scoparia dulcis L." Oncology. 1993; 50(2): 100–3.
Hayashi, R. J., et al. “A cytotoxic flavone from Scoparia dulcis L.” Chem. Pharm. Bull. 1988; 36: 4849–51.

Mutamba (Guazuma ulmifolia)
Seigler, D.S. “Cyanogenic glycosides and menisdaurin from Guazuma ulmifolia, Ostrya virgininana, Tiquilia plicata and Tiquilia canescens.” Phytochemistry. 2005 Jul; 66(13): 1567-80.
Ito, H., et al. “Antitumor activity of compounds isolated from leaves of Eriobotrya japonica.” J. Agric. Food Chem. 2002; 50(8): 2400–3.
Kashiwada, Y., et al. “Antitumor agents, 129. Tannins and related compounds as selective cytotoxic agents.” J. Nat. Prod. 1992; 55(8): 1033–43.
Nascimento, S. C., et al. “Antimicrobial and cytotoxic activities in plants from Pernambuco, Brazil.” Fitoterapia. 1990; 61(4): 353–55.

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