This guide from the team at Elon Health Urgent Care in Davenport, FL covers the mild side effects, the rare risks, and who should talk with a provider first
There currently is no evidence suggesting an optimal fast period
Unlike the textbook JHR, which often lasts only 24 hours 1, Herx-like symptoms related to the treatment of gut dysbiosis or chronic low-grade bacterial, parasitic, or fungal infections may: Appear several days into treatment Last several days or even weeks Recur periodically, when treating infections that cycle between dormant and active phases This broader, experience-based perspective recognizes that not all Herx reactions follow the same predictable pattern, and many are milder but longer-lasting, especially when associated with gut pathogens
A 2020 meta-analysis of 37 randomized controlled trials with over 2,200 participants found that L-carnitine supplementation led to an average weight loss of 1.21 kg, a slight drop in BMI, and a reduction in fat mass by about 2.08 kg, especially in people with overweight or obesity
In short, if you are traveling with any kind of medication that needs to be kept chilled, do not expect the airline to be able to provide any kind of service to accommodate this