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These would contaminate your peptide and potentially cause infections

Among the compounds known to cause Serotonin Synthesis Amplification, 5 HTP is clearly advantaged by being the direct serotonin precursor and have no off-target pharmacology

Sekhar, R., Patel,S., Guthikonda, A., et al

Other nutrients, such as B vitamins, vitamin C, vitamin E, selenium, and omega-3 fatty acids have also been shown to support glutathione levels, so eating foods that are high in these nutrients may also be helpful [14]

Pros: Trusted professional brand No unnecessary additives Suitable for vegans Cons: Lower dosage May require practitioner approval 6