The Claim
Intramuscular injections of cyanocobalamin in lactating cows to enrich their milk with vitamin B12 do not significantly enhance the intestinal bioavailability of vitamin B12 in pigs, as there was no difference in net absorption between conventional milk and B12-enriched milk.
What the research says
Challenges is higher
Challenge is ahead, but a single strong supporting study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Giving B12 shots to milk-making cows doesn’t make the milk any better at delivering B12 to pigs’ guts — the pigs absorb about the same amount either way.
See the scientific wording
Enriching cows' milk with vitamin B12 through intramuscular injections of cyanocobalamin in lactating cows does not significantly increase the intestinal bioavailability of B12 in pigs, as net absorption was not different between conventional and B12-enriched milk.
What the research says
1 studyStudy: Bioavailability of vitamin B12 in cows' milk
The study tested whether B12-enriched milk (from injected cows) gives pigs more B12 than regular milk, and found no difference — which matches the claim.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.