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Od kolovoza 2018., iHerb surađuje s neovisnim laboratorijima trećih strana, ABC Testing, Eurofins i Alkemist, za testiranje proizvoda. Upotreba usluga neovisnog laboratorija treće strane jamči objektivnost i nepristranost rezultata.
iTested potvrđuje da su informacije navedene u Podacima o dodatku prehrani i/ili Nutritivnim vrijednostima proizvoda točne. Proizvodi se također testiraju kako bi se potvrdili standardi Clean Label, kao što su analiza mikroba i teških metala.
Metode ispitivanja navedene su u svakom iTested dokumentu o proizvodu.
Proizvodi se testiraju svakih 6 mjeseci.
NAC (N-acetyl-L-cysteine) is a modified form of the amino acid cysteine commonly used as an ingredient in dietary supplements. Formulations and amounts vary by brand; review the product label.
No. NAC (N-acetyl-L-cysteine) and glutathione are different ingredients. Although related, they are not the same compound.
Review the product label for important warnings, precautions and directions for use. If you have questions about whether NAC is appropriate for you, consult your healthcare provider before use.
NAC is available as standalone capsules, powders and in combination formulas paired with ingredients such as glycine.
NAC is generally sold as a single, standardized compound rather than having multiple chemically distinct forms the way minerals like zinc or magnesium do. Differences between products mostly come down to the amount per capsule, other paired ingredients, and capsule versus powder format.