l-carnitine 300 mg tablets NOW Foods Sports Nutrition, Liquid, Triple Strength 3000 mg, Citrus, 16-Ounce : Health & Household Buy Fast&Up L-Carnitine 3000mg Zero
Description
While the reasons for this sex-specific difference aren't fully clear, it suggests that L-Carnitine might influence energy metabolism more significantly in female Labs

Brunel-Guitton, C., Levtova, A

It can modulate neuronal function and hence the hypothalamo-pituitary gonadal axis to impose its influence on female reproduction since it is widespread in the hypothalamus (Liu et al., 2004)

As with the original coffee loophole, there isnt much evidence to support the effectiveness of this strategy
