Leading suppliers such as Protide Health have an independent US laboratory run these tests and publish the results, so a researcher can verify a compound without the expense of private testing
Quaternization significantly modifies CH bio-polymers, employing a free amino group in the chitosan (Liu et al., 2013)
10.1096/fj.11-186262 82 TesfayeS.SelvarajahD

Whilst we in Trading Standards join with Environmental Health colleagues in seeking a concerted effort across Government to deal with these treatments, as well as dermal fillers, fat dissolving injectables, and liquid BBLs, the situation in the meantime is that consumers should only consider having any needle-based aesthetic treatments carried out by a qualified medical professional. CTSI advises the public: Never undergo IV drip procedures outside of a regulated medical setting Be cautious of treatments promoted on social media without safety information or medical credentials Speak to your GP or a qualified medical professional if you have concerns or questions about any procedure Ian Andrews, Head of Environmental Health at the Chartered Institute of Environmental Health (CIEH), said: The use of these procedures, many without medical supervision, is extremely concerning and we would really welcome clarity from the Government on when further legislation will be consulted on because existing legislation is outdated

I dont have a problem with that if the lozenge tastes good but its too sour for my liking to the point it feels like a punishment from a wacky variety show
R.StankiewiczA