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Oral versions such as capsules or troches are more convenient, but absorption through the digestive tract is far less consistent, so the amount that actually reaches circulation can vary widely
Vitamin B12 injections deliver a purified form of vitamin B12 directly into the muscle or under the skin, bypassing the digestive system for rapid absorption
Enzymes, pH fluctuations, and the liver's first-pass metabolism can all dramatically reduce the bioavailability of a compound
For example, a 10g solution contains 0.09g of salt
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They are a lower cost option that is also a much better experience
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