US$ 44.80
Neurotransmitter synthesis : L-serine is a precursor for the synthesis of several neurotransmitters
A deficiency in vitamin A can lead to night blindness and other vision problems
50g methionine powder
Dosierung: 3x10 Tropfen täglich
Oestriol im Speichel Neurotransmitter synthesis : L-serine isSaliva sample to measure the free, unbound estriol level. An estriol test measures the concentration of the hormone in saliva. This allows you to detect an estriol deficiency or excess.