Hello i am looking for causes of hyperlactatemia (energetic disorders) with secondary hyperglycinemia (2 times its normal value) , PDH and PC deficit dont fit the profile nor NHK or other causes of hyperflycinemia (normal ketones, normal organic acids); other findings include low glucose (50 mg/dl) and silghtly elevated alanine, isoleucine and leucine, normal renal function. History of seizures, uses Valproic Acid.