This is one reason why many people choose occasional maintenance cycles rather than continuous long-term use
Urinary losses of carnitine via this route can be 10-fold greater than the sum of daily carnitine intake and biosynthesis and lead to systemic carnitine depletion (see Drug interactions) (39)
Bresson, M., Cirimele, V., Villain, M
Diagnosis Uncontrolled hypothyroidism aggravated by ingestion of sea kelp, a herbal supplement high in iodine content
In modern times, plants containing berberine have been used for infections, skin diseases, digestive disorders, and other conditions
Kaiser-Kupfer MI, Gazzo MA, Datiles MB, Caruso RC, Kuehl EM, Gahl WA (1990) A randomized placebo-controlled trial of cysteamine eye drops in nephropathic cystinosis