If vitamin B12 levels are low, people may experience: Persistent tiredness or fatigue Reduced energy levels Difficulty concentrating Dizziness or weakness For this reason, some travellers consider a B12 injection before a summer holiday in the North West UK to support normal energy levels and reduce travel fatigue
All the ingredients arrive at 1st Phorms facility with a Certificate of Independent Laboratory Analysis to verify sourcing, quality, and potencyand that analysis verifies that any ingredients used meet the FDA standards for microbial content, heavy metals, solvents, and pesticides, among other potential contaminants
Hruby, PhD Regents Professor Emeritus, Department of Chemistry and Biochemistry, University of Arizona Landmark Publications Sawyer TK, Sanfilippo PJ, Hruby VJ, Engel MH, Heward CB, Burnett JB, Hadley ME
Advances in Nutrition , 12 (6), 2540-2552
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