Historically, a human being was not necessarily a natural person in some jurisdictions where a slave was a thing (subject of a property right) rather than a person. In many cases, fundamental human rights are implicitly granted only to natural persons.
Phenylalanine amino acid > Tyrosine amino acid > L-Dopa > Dopamine > Norepinephrine > Epinephrine. Mucuna pruriens is an herb that contains a small percentage of natural L Dopa. Mucuna pruriens is available without a prescription. For more information on mucuna pruriens and levodopa, click on the link provided.
Another option for artificially elevating your brainâs dopamine production would be to take a dietary supplement. Most common options include amino acid precursors like L-Tyrosine and L-Phenylalanine. These may be taken in combination with various vitamins (e.g. Vitamin B6) to prevent oxidation and increase efficacy.