Anyone can be affected, but some groups are more at risk: Vegetarians and vegans, since B12 mainly comes from animal products Older adults, as absorption gets harder with age People with digestive issues like Crohns or coeliac disease Those taking certain medications, such as long-term metformin or stomach acid reducers People with pernicious anaemia, an autoimmune condition that stops you from absorbing B12 If you fit into one of these categories and notice symptoms, its worth getting your levels checked
The most critical clinical distinction is that bacteriostatic water is contraindicated in neonates due to benzyl alcohol toxicity, while SWFI is safe for this population
Methylcobalamin degrades more rapidly
Spoiler: Most people feel amazing
Use these checks to identify a reliable GHK-Cu product: Color check: Authentic GHK-Cu powder is blue to blue-purple from the copper(II) ion in the GHK coordination geometry
BRICKER LABS B-12 BLAST VITAMIN B12 AND FOLIC ACID- SUBLINGUAL LIQUID B12 VITAMINS FOR DAILY ENERGY BOOST