sinha et al. 2018 liposomal glutathione study pilot outperforms plain glutathione in uptake, cell regeneration and systemic availability: evidence LiposoMax® Glutathione: Taking the Master

Allergic Reactions (Rare): Although rare, some individuals can have an allergic reaction to the injection, ranging from a rash or itching to more severe symptoms like swelling of the face, tongue, or throat, dizziness, or difficulty breathing

J Sports Med Phys Fitness 2016;56:1206-1213

Englund-Ogge L, Brantaeter AL, Sengpiel V, Haugen M, Birgisdottir BE, Myhre R, et al

However, it doesnt really matter what term you use (chewable tablet, lozenge, sublingual tablet, liquid, etc.) for maximum absorption the main idea is to hold the B12 in your mouth for as long as you can

BPC-157 Side Effects in Oral Research Use BPC-157 is generally regarded as having a favorable safety profile, particularly in preclinical studies involving animals

Warning : it is not recommended that you take glutathione if you are undergoing chemo or radiation therapy for cancer or any other condition