Does L-Cystine Help With Vaccine Immune Response?
L-cystine with L-theanine may improve flu vaccine antibody response in elderly people with low protein or hemoglobin levels.
Weak EvidenceEvidence Summary
L-cystine with L-theanine may improve flu vaccine antibody response in elderly people with low protein or hemoglobin levels.
Effective Dose
No established dose from provided studies