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Abdullah Bamosa Department of Physiology, College of Medicine, University of Dammam, Dammam, Saudi Arabia

KEYWORDS: Nigella sativa; diabetes mellitus, type 2; kidney failure, acute Bamosa A. Nigella sativa is a safe herbal product. J Integr Med. 2014; 12(1): 66. Received December 28, 2013; accepted December 31, 2013. Correspondence: Abdullah Bamosa, PhD, Associate Professor; E-mail: [email protected]

investigators and I think their approach should have been more scientific before jumping into such a conclusion. We are currently publishing results on one-year N. sativa treatment in diabetic patients. It showed that N. sativa has hypoglycemic, hypolipidemic and cardioprotective effects with no adverse effects.

This is a comment on the following article: & à ÄÅÆ{? {W ž Ä{Åǝ&   @      failure associated with Nigella sativa in a diabetic patient. J Integr Med. 2013; 11(1): 64-66. We have been conducting research on the beneficial effects of Nigella sativa for more than 15 years. We have conducted several clinical trials and used up to 3 g/d and found no toxic effect, rather N. sativa had positive effects on these patients. N. sativa in three doses (1, 2, and 3 g/d) with 40 mg nexium produced from 50% to 67% eradication of Helicobacter pylori in non-ulcer dyspeptic patients[1]. Furthermore, N. sativa in type 2 diabetic patients with the same doses (1, 2 and 3 g/d) reduced fasting blood      &+         three months treatment and all basic indexes were normal[2]. I really think that the investigators[3] should have looked at the composition of the tablets they reported that cause acute renal failure before they attributed this effect to N. sativa. Many herbal products sold in public shops are contaminated with other products that could be sometimes toxic. I would not agree with the conclusion of the 

$PNQFUJOHJOUFSFTUT The author declares that he has no competing interests. 3&'&3&/$&4 +



 ?žX• &!&:³ &ž F?$ Alsulaiman RM, Randhawa MA. Comparative study of Nigella sativa and triple therapy in eradication of Helicobacter pylori in patients with non-ulcer dyspepsia. Saudi J Gastroenterol. 2010; 16(3): 207-214. • &! > q?¤&?&:   A. Effect of Nigella sativa seeds on the glycemic control of patients with type 2 diabetes mellitus. Indian J Physiol Pharmacol. 2010; 54(4): 344-354. &   à   Ä Å Æ{ ?  { W ž Ä{Åǝ&   @      failure associated with Nigella sativa in a diabetic patient. J Integr Med. 2013; 11(1): 64-66.

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January 2014, Vol.12, No.1

Journal of Integrative Medicine

Nigella sativa is a safe herbal product.

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