ntp l-carnitine NOW Foods, Liquid 3000mg, 16 Fl oz, Citrus Flavor Carnitine and Pantothenic acid Nutrex L-Carnitine 3000 Liquid Energy

May 2015;125(5):1254-64

109 In a placebo-controlled trial with 28 healthy subjects reporting no or mild sleep difficulties, taking a single dose of a protein supplement with 4.8 grams of tryptophan reduced sleepiness and increased sustained alertness the next morning compared with a low-tryptophan protein supplement

extracto de semilla de guaran (Paullinia cupana)

In animal studies, resveratrol has been shown to improve insulin sensitivity, glucose tolerance, and lipid profiles in obese and/or metabolically abnormal animals (reviewed in 130)

PMC 9129103

The addition of niacinamide does not contraindicate use in diabetes, though monitoring blood glucose closely is important