This could be due to the lack of intrinsic factors, a protein in the stomach required for the absorption of this essential vitamin
These effects are typically minor and resolve on their own

Benefits: How to use: Major Ingredients Water, Centella Asiatica Extract (29.2%), Butylene Glycol, Propanediol, Niacinamide (20,000ppm), Glycerin, Diethoxyethyl Succinate, Panthenol, Sodium Hyaluronate, Allantoin, Glutathione (1,000ppm), Sodium Polyacryloyldimethyl Taurate, Glyceryl Acrylate/Acrylic Acid Copolymer, Nelumbo Nucifera Extract, Artemisia Annua Extract, Oryza Sativa (Rice) Extract, Saccharomyces Ferment, Solanum Melongena (Eggplant) Fruit Extract, Melaleuca Alternifolia (Tea Tree) Leaf Extract, Hydrolyzed Collagen, Squalane, Beta-Glucan, Dipropylene Glycol, Hippophae Rhamnoides Fruit Extract, Adenosine, Madecassic Acid, Asiaticoside, Asiatic Acid, Caprylic/Capric Triglyceride, Hydrogenated Lecithin, Glyceryl Stearate, Styrene/Acrylates Copolymer, Cellulose Gum, Xanthan Gum, Inulin, Cellulose, Glucose, Fructose, Citric Acid, Disodium EDTA, Hydroxyacetophenone, 1,2-Hexanediol, Ethylhexylglycerin, Dipotassium Glycyrrhizate, Sodium Citrate Ingredients subject to change at manufacturer's discretion

Praziquantel had no effect on TGR activity, but two antischistosomal compounds that are no longer used, potassium antimonyl tartrate and oltipraz, inhibited the enzyme
Sublingual Immunotherapy Sublingual immunotherapy is another treatment option, especially for those with multiple allergies, and it involves placing an allergen extract under the tongue to build tolerance over time