The toxic effect is related linearly through a relatively large range of body weights, to the body weight of the victim, and, The mechanism of toxicity is the same for âsimilar animalsâ, i. e. one may conduct toxicity tests on say rats or mice and apply the LD50 data to human, since both are mammals.
For moderate menstrual cramps, the nonsteroidal anti-inflammatory drugs (NSAIDs, such as ibuprofen [Advil, Motrin, Nuprin, etc.] or naproxen [Aleve, Anaprox, Naprosyn, Naprelan]) are often helpful.
This is the best Calcium supplement on the market for quick relief from leg cramps and muscle aches. Taken daily 3 days before a period will lesson cramps. 1 tablespoon - Calcium Carbonate - 600 mg., Magnesium - 300 mg., Vitamin D (calciferol) - 100 IU and Potassium Bicarbonate - 25 mg.