Dietary Supplements information including Potassium

Nature's Way Potassium 99 Mg SAVE 50% Retail $6.49 SWANSON $3.24

Swanson Premium Brand Potassium (Gluconate) SAVE 70% Retail $4.99 SWANSON $1.49

Twinlab Potassium Caps SAVE 50% Retail $6.25 SWANSON $3.12

Swanson Premium Brand Radavert (Potassium Iodide) SAVE 50% Retail $9.99 SWANSON $4.99

Potassium

Potassium in the body exists as a monovalent positive ion (a cation), K+, concentrated by energy-requiring mechanisms primarily within cells (intracellular), where it comprises the cell's most abundant monovalent inorganic cation. The body regulates the K+ concentration in blood moderately closely, as substantial fluctuations can affect action potentials, causing heart and nervous problems. Many antibiotics, such as the one produced by the bacterium Bacillus brevis, affect cells by setting up positive ion gates, where the K+ and Na+ ions are permitted to cross the membrane, thus disrupting the action potential of the cell membrane. The body maintains potassium ion concentration relatively low in blood plasma (usually 3.5 - 5.0 mmol/L), but much higher inside cells (about 100 mmol/L). Abnormally low blood levels, hypokalemia, and abnormally high levels, hyperkalemia, both can adversely affect the heart.

Consult your physician before begining any dietary supplement regimen.

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FEDERAL HEALTH ORGANIZATIONS

Food and Drug Administration (FDA)
FDA regulates dietary supplements under a different set of regulations than those covering "conventional" foods and drug products (prescription and Over-the-Counter). Under the Dietary Supplement Health and Education Act of 1994 (DSHEA), the dietary supplement manufacturer is responsible for ensuring that a dietary supplement is safe before it is marketed. FDA is responsible for taking action against any unsafe dietary supplement product after it reaches the market. Generally, manufacturers do not need to register with FDA nor get FDA approval before producing or selling dietary supplements. Manufacturers must make sure that product label information is truthful and not misleading.

United States Department of Health and Human Services
Thee United States government's principal agency for protecting the health of all Americans and providing essential human services, especially for those who are least able to help themselves.The department has more than 300 programs.

Nutrition.gov
Nutrition and health information on government websites.