Arjuna (Terminalia arjuna), is the main ingredient in Nature's Formulary Arjuna.

Partial List of Clinical Studies and articles: (Click on the name of the study to read more)

Inhibitory effects of Terminalia arjuna on platelet activation in-vitro in healthy subjects and patients with coronary artery disease.
Mailk N, Dhawan V, Bahl A, Kaul, D
Platelets, 2009 May; 20 (3):183-90

Terminalia arjuna protects mouse hearts against sodium flouride-induced oxidative stress.
Sinha M, Manna P, Sil PC
J Med Food, 2008 Dec: 11(4): 733-40

 Antigenotoxic properties of Terminalia arjuna bark extracts
Scassellati-Sforzolini G,Villarini LM, Moretti LM, Marcarelli LM, Pasquini R, Fatigoni C, Kaur LS, Kumar S, Grover IS.
J Environ Pathol Toxicol Oncol.,1999;18(2):119-25.

Efficacy of Terminalia arjuna in chronic stable angina: a double-blind, placebo-controlled, crossover study comparing Terminalia arjuna
with isosorbide mononitrate.
Bharani A, Ganguli A, Mathur LK, Jamra Y, Raman PG.
Indian Heart J., 2002 Mar-Apr;54(2):170-5.

Effect of chronic treatment with bark of Terminalia arjuna: a study on the isolated ischemic-reperfused rat heart.
Gauthaman K, Maulik M, Kumari R, Manchanda SC, Dinda AK, Maulik SK
J Ethnopharmacol., 2001 May;75(2-3):197-201.

Antianginal and cardioprotective effects of Terminalia arjuna, an indigenous drug, in coronary artery disease
Dwivedi S, Agarwal MP.
J Assoc Physicians India. ,1994 Apr;42(4):287-9.

Strengthen Your Heart (PDF - must have Acrobat Reader installed to view)
Kennedy, Jennifer
Natural Health, October/November 2002, 34

Effect of oleanane triterpenoids from Terminalia arjuna--a cardioprotective drug on the process of respiratory oxyburst.
Pawar RS, Bhutani KK.
Phytomedicine. 2005 May;12(5):391-3.

Role of Terminalia arjuna in ischaemic mitral regurgitation.
Dwivedi S, Aggarwal A, Agarwal MP, Rajpal S
Int J Cardiol. 2005 Apr 28;100(3):507-8.

Terminalia arjuna (Roxb.) protects rabbit heart against ischemic-reperfusion injury: role of antioxidant enzymes and heat shock protein.
Gauthaman K, Banerjee SK, Dinda AK, Ghosh CC, Maulik SK.
J Ethnopharmacol. 2005 Jan 15;96(3):403-9. Epub 2004 Nov 21.

Cardioprotective effect of the alcoholic extract of Terminalia arjuna bark in an in vivo model of myocardial ischemic reperfusion injury.
Karthikeyan K, Bai BR, Gauthaman K, Sathish KS, Devaraj SN.
Life Sci. 2003 Oct 10;73(21):2727-39.

Protective effects of Terminalia arjuna against Doxorubicin-induced cardiotoxicity.
Singh G, Singh AT, Abraham A, Bhat B, Mukherjee A, Verma R, Agarwal SK, Jha S, Mukherjee R, Burman AC.
J Ethnopharmacol. 2008 Apr 17;117(1):123-9. Epub 2008 Feb 3.

Terminalia arjuna Wight & Arn.--a useful drug for cardiovascular disorders.
Dwivedi S
J Ethnopharmacol. 2007 Nov 1;114(2):114-29. Epub 2007 Aug 10.

Role of Terminalia arjuna in ischaemic mitral regurgitation.
Dwivedi S, Aggarwal A, Agarwal MP, Rajpal S.
Int J Cardiol. 2005 Apr 28;100(3):507-8.

Review article on Arjuna in the Indian Expresss, a nationwide daily paper published in India
Singh, N, August 2009