Source Naturals, B-1, High Potency, 500 mg, 100 Tablets

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Supplement Facts
Serving Size: 1 Tablet
 Amount Per Serving%DV
Thiamin (vitamin B-1)500 mg33,333%
Magnesium (as magnesium citrate, malate, oxide & succinate)100 mg25%
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B1 is intimately involved in many aspects of nerve health and function. The active co-enzyme form of B-1, thiamin pyrophosphate (TPP), is necessary for energy production and is essential for the formation of acetylcholine, a major neurotransmitter. Magnesium plays a role in neuromuscular transmission and activity, promoting muscle relaxation. A highly processed “junk food” diet, excessive alcohol intake, and exhaustive exercise may increase the need for B-1.


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