Source Naturals, Vitamin B 1 High Potency, 100 ct Thyroid The statements on this website

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John's Wort Aerial Parts - 300 mg

Acerola Cherry Fruit - 5 mg

Thiamin (as vitamin B-1) - 100 mg

Source Naturals, Vitamin B 1 High Potency, 100 ct Thyroid The statements on this websiteB 1 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 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.