These effects are usually manageable by increasing the dose gradually and staying well hydrated, which is why supervised dosing schedules matter
You would need to either split the dose across two injections or use a 3mL syringe, which has larger unit markings that might be harder to read accurately
You can tell the product is made with high potency glutathione because of the sulfur smell, glutathione is a sulfur donating molecule.
This injection typically contains a blend of key B vitamins such as B1 (Thiamine), B2 (Riboflavin), B3 (Niacinamide), B5 (Pantothenic Acid), B6 (Pyridoxine), and B12 (Cyanocobalamin)
Recently, interest has grown in using it as a nutritional supplement because of its numerous advertised health benefits