They are especially beneficial for those with a deficiency or absorption issues

Uses & Applications Bacteriostatic Sodium Chloride 0.9% Injection is indicated for: Reconstitution and dilution of injectable medications: Antibiotics, biologics, hormones, and other drugs requiring sterile saline Flushing IV lines and catheters: To prevent blockage and maintain line patency Sterile wound irrigation in clinical settings Intravenous, intramuscular (IM), or subcutaneous (SC) injection as a vehicle for compatible drugs Preparing syringes for allergy shots, HRT, botulinum toxin, and other compounded injections Basic clinical saline needs where repeated withdrawals from a single vial are necessary Benefits & Features USP-Grade 0.9% Sodium Chloride: Hospital-quality, isotonic, and safe for injection Bacteriostatic (0.9% benzyl alcohol): Antimicrobial preservative prolongs vial sterility, prevents contamination from multiple punctures Multiple Dose 30 mL Vials: Enables efficient, cost-effective saline usage for multiple patients or preparations Bulk 25/Pack: Ideal for clinics, hospitals, and high-volume outpatient facilities Pyrogen-free and latex-free: Reduces risks of fever or allergic reactions Easy-to-Use Packaging: Flip-top vials allow for convenient withdrawals by syringe Pfizer Injectables Brand: Trusted globally for pharmacy, medical, and laboratory supply Instructions on How to Use Inspect vial: Ensure solution is clear with no particulates or discolouration

Similarly, BP nanoparticles showed anti-cancer activity against A549 cancer cells (lung cancer cell lines) (213)
doi: 10.1007/S00125-016-4177-Z 12 StoneVMButrymMHankaniemiMMSioofy-KhojineABHytnenVPHytyHet al
B12 deficiency can also cause diarrhea, nausea, constipation, bloating, gas and other gastrointestinal symptoms
I should have shopped around - only 90p in Tesco