l carnitine products Life Extension 30 vcaps Country Life, L-Carnitine with B-6,

For maximum effectiveness, take supplements in the morning on an empty stomach when the body is most receptive and absorption is optimized

[21] (Some QACs, such as dequalinium and similar bis-QACs, show evidence of a different mode of action.) [22] Quaternary ammonium compounds are lethal to a wide variety of organisms except endospores and non-enveloped viruses, both having no accessible membrane coat to attack

The allopurinol challenge test is an alternative method for diagnosing OTC deficiency when it isnt clear from the lab studies

Biochemistry 15, 672680

Note: Insurance wont cover compounded medications, so expect to pay out of pocket