However, dietary Se deficiency will reduce the expression of selenoproteins, increase the peroxidation reaction of lipids, proteins, DNA and then pose a threat to the health of the body (Rao et al., 2020)
10.1016/j.ijbiomac.2019.05.166 120 YamagishiS.MatsuiT
The course can be repeated after a while
What is true is that if a product contains so-called N-nitrogenating agents (e.g.: preservatives like 2-Bromo-2-Nitropropane-1,3-Diol, 5-Bromo-5-Nitro- 1,3-Dioxane or sodium nitrate - so look out for things with nitro, nitra in the name) that together with TEA can form some not nice carcinogenic stuff (that is called nitrosamines)
doi: 10.3390/jcm12041291 194 MondadoriCPalombellaSSalehiSTaloGVisoneRRasponiMet al
However, this method is not FDA-approved and hasnt been studied enough to know if it works or is safe