Cobalt: essential or overrated for health?
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on 28/09/2026
Long overlooked, cobalt is back in the nutritional debate thanks to its role as an invisible component of vitamin B12. If you occasionally come across recommendations for the manganese-cobalt complex in trace element therapy, or discussions about the presence of this trace element in food, it's because the issue is intriguing. Cobalt, present in trace amounts in the environment and some foods, is not a harmless mineral for the body. It also elicits nuanced opinions, between those who praise its "terrain-modifying" effects and authorities who emphasize its role through B12. Many wonder: should we monitor our intake? Do cobalt-based supplements have any documented benefits, particularly in combination with manganese? Opinions differ. Here's an accessible explanation to put the benefits, limitations, and actual uses of cobalt into perspective within our balanced diet.
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