1.   Also, that the product ingredients were improperly labelled and potentially hazardous chemicals were not identified, he said.

2.   And without packaging, which often contains assembly instructions, warnings or product ingredients, the only link between the manufacturer and consumer would be gone.

3.   Gurley has just completed a study suggesting wide variations in product ingredients and quality.

4.   Herbal, or dietary, supplements are not regulated in the same way as prescription and over-the-counter drugs, and product ingredients can vary.