Garlic - an unknown quantity?

Related tags United states Dietary supplement Consumerlab.com

Tests on the strength of the US' most popular supplement, garlic,
show that products on the market vary by as much as 1500 per cent
across products, according to a review by ConsumerLab. The company
also reported that almost 25 per cent of those tested were probably
ineffective.

Independent testing company ConsumerLab.com has found that the strength of garlic supplements on the market vary by as much as 1500 per cent across products.

Strength was based on each product's ability to generate allicin, a chemical associated with the efficacy of non-aged garlic. ConsumerLab found that nearly one-quarter of non-aged products yielded less allicin than generally considered therapeutic.

Garlic is used in the treatment of elevated cholesterol, hypertension, and other diseases. More than 5 million units of garlic were purchased in the past year from drug stores, supermarkets and mass merchandisers in the US - making it the most popular herbal product according to Information Resources.

Thirteen non-aged garlic products and one aged garlic product were purchased and tested by ConsumerLab.com. The amount of allicin produced by the non-aged garlic products ranged from as little as 400 micrograms to 6,500 micrograms per daily recommended serving.

Ironically, a product with one of the lowest allicin yields per gram of garlic claimed that it was "Allicin Rich." Another product urged consumers to "compare" it to a better-known brand that ConsumerLab.com found to yield more than eight times as much allicin. Several products produced several times the amount of allicin they claimed.

"It is impossible for a consumer to know for sure how strong a garlic product is without testing it,"​ said Tod Cooperman, president of ConsumerLab.com. "Few products clearly state their allicin yield and, when they do, they are not always accurate."

A listing of all the products tested and their allicin yields is available at www.consumerlab.com​.

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