hcg saline vs bac water Bacteriostatic vs. Sodium Chloride: A Critical Safety Guide Bacteriostatic Water Explained: A Research
Description
Oral Supplements: Generally take longer to show noticeable results, especially if absorption is compromised

Hospira has started a voluntarily recall, at hospital and retail level, of Bacteriostatic Water for Injection

B12 injection shots can usually be felt within 24 hours (and a change should show in blood tests after a month or two) A high dose of B12 oral supplementation takes the same time as an injection: roughly 24 hours to feel an improvement and then up to 2 months to show in blood markers

The 3 mL vials are more convenient
