J Clin Endocrinol Metab (2017) 102(12):4343410
There are various forms of L-Carnitine available, but Bulk have opted to use an 'L-Tartrate' ester, as this is the purest format available - delivering a high quality, high dosage of 1000mg per capsule
Caffeine occurs naturally in some plants
That said, because of their different compositions, glycinate tends to be a better option for those seeking relaxation or sleep support, while citrate may be better for people dealing with constipation
They have the largest brand recognition in telehealth and the deepest customer support infrastructure, which matters when something goes sideways
*Legal Disclaimer Vitalogy Wellness This content is for informational purposes only and is not intended as medical advice