The science behind the product: L-cysteine is a conditionally essential amino acid, one of only three sulfur-containing amino acids
Some examples of these elements are calcium, which is necessary for building bones and for intracellular communication, iron, which is necessary for building a number of proteins (including haemoglobin, which is vital for transporting oxygen and, by extension, for cellular respiration), and folic acid, which is essential for "one-carbon metabolism," the building block of the nucleic acids needed for cell replication (Mousa, Naqash, & Lim, 2019)
The cost of glutathione injections mentioned here is tentative
A randomized, double-blind, placebo-controlled, clinical trial to evaluate the benefits of Nigella sativa seeds oil in reducing cardiovascular risks in hypertensive patients