"This was recommended as I have had difficulty with short windedness when running. Don't smoke, healthy, not over weight so I tried this and within a few days I could tell a difference in breathing"... (read full reviews)

Source Naturals DMG -- 100 mg - 30 Tablets (1 ratings)product details

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FoodScience of Vermont Liquid DMG -- 300 mg - 2 fl oz (1 review)product details

Overall Rating:

"I found this form of DMG to be very helpful in increasing my endurance and decreasing becoming winded when jogging. The amount and form of this supplement works better than the tab form."... (read full reviews)

FoodScience of Vermont Aangamik® DMG -- 125 mg - 90 Tablets (11 reviews)product details

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"This product comes in a foil, and often the foil was empty or the product had turned to a liquid. It also didn't seem to have any profound effect on me after taking it for a period of time."... (read full reviews)

Country Life N N-Dimethylglycine -- 125 mg - 90 Tablets (1 review)product details

Overall Rating:

"Now on my third box of DMG which is easily absorbed but the individual pills require scissors to get out of the packaging. I've found that they do not have a bad taste but are almost tasteless!"... (read full reviews)