Longevity Science Magna-Calm Powder Lemon

What the brand says

Sold as “Longevity Science Magna-Calm Powder Lemon - 8 oz”

Magna-Calm is an excellent source of highly absorbable magnesium, from the most bioavailable source - magnesium citrate. The powder has a pleasant, unsweetened natural lemon flavor and a mild effervescence. All ingredients are derived from natural sources. Take ?to 1 scoop daily, preferably in the evening. If loose bowels or diarrhea occurs, simply reduce dose until bowel movements are normal.