Lipo-B12 injections are generally well-tolerated, but mild side effects such as soreness at the injection site or temporary nausea may occur
And in even more good news, no severe hypoglycemia was reported

Water, Dipropylene Glycol, Glycerin, 1,2-Hexanediol, Betaine, Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-1, Tetrapeptide-21, Tetrapeptide-30, Heptasodium Hexacarboxymethyl Dipeptide-12, Acetyl Tetrapeptide-5, Palmitoyl Tripeptide-38, Palmitoyl Pentapeptide-4, Dipeptide-2, Tripeptide-1, Hexapeptide-9, Nonapeptide-1, Collagen Extract (Vegan), Serine, Methionine, Cysteine, Arginine, Acmella Oleracea Extract, Alpha-Glucan Oligosaccharide, Sodium PCA, Ulmus Davidiana Root Extract, Cichorium Intybus (Chicory) Root Extract, Helianthus Tuberosus Root Extract, Tremella Fuciformis (Mushroom) Extract, Fomes Officinalis (Mushroom) Extract, Lentinus Edodes (Shiitake Mushroom) Extract, Pyrus Malus (Apple) Fruit Extract, Lens Esculenta (Lentil) Fruit Extract, Citrullus Lanatus (Watermelon) Fruit Extract, Sodium Acetylated Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Potassium Hyaluronate, Squalane, Ficus Carica (Fig) Fruit Extract, Cynanchum Atratum Extract, Hydroxypropyltrimonium Hyaluronate, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Curcuma Longa (Turmeric) Root Extract, Corallina Officinalis Extract, Solanum Melongena (Eggplant) Fruit Extract, Coccinia Indica Fruit Extract, Gellan Gum, Butylene Glycol, Adenosine, Aloe Barbadensis Flower Extract, Melia Azadirachta Flower Extract, Polyglyceryl-10 Eicosanedioate/Tetradecanedioate, Polyquaterium-51, Sodium Polyacryloyldimethyl Taurate, Hydroxypropyl Cyclodextrin, Ethylhexylglycerin, Hydroxyethylcellulose, Caprylyl Glycol

Patients experiencing persistent vomiting or diarrhea should be monitored for signs of dehydration and renal dysfunction, with appropriate fluid replacement and potentially temporary discontinuation of the medication if necessary
Without the smaller pieces you would probably get the fire going eventually but not nearly as easy