There are two forms used in clinical injections, and patients sometimes ask which is "better." The honest answer is that both work, and the right choice depends on your situation
Zapf J, Hauri C, Waldvogel M, Froesch ER
Vitamin B6 aids neurotransmitter synthesis
Gastrointestinal upset is infrequent but has been noted (e.g
This can show up as symptoms such as delayed growth and development (failure to thrive), regression in neuromotor skills (such as losing the ability to roll over or grasp objects), failure to maintain eye contact (even in an infant who previous could do so), general muscle weakness, lethargy, excessive sleepiness, feeding difficulties, and even brain shrinkage