Important note for you on female fertility evidence: While the evidence for L-carnitine's role in male fertility is well-supported by multiple clinical trials, evidence for female fertility benefits relies more on mechanistic and preliminary studies
Zengin, E., Sarper, N., & ak Kl, S
The force of the water stream blasts apart the lyophilized cake, creating foam, potentially denaturing the peptide, and making it nearly impossible to determine if the powder fully dissolved or if you are just looking at foam
Medications, harsh bleaching, or certain hair practices that pull tightly, in rare cases, may worsen existing thinning or cause traction alopecia in other areas
Both promote angiogenesis but through different signaling pathways