Can rain contain vitamin B12?

Rain can contain Vitamin B12. Giselle Brand, Clinical Dietitian at The University of Sydney states, “Many microorganisms that occur naturally in nature can produce vitamin B12. Rain water is not pure water.” According to Giselle, as rainwater falls through the air and washes down roof tops, microorganisms can get caught up inside it. And these organisms can produce Vitamin B12 as a metabolic byproduct.

Rain does not inherently contain Vitamin B12. However, there are circumstances whereby it can contain Vitamin B12.

According to Bruce C Parker of the Department of Botany, University of Washington, St. Louis, Missouri, one of the sources of rainwater that contains the highest concentrations of Vitamin B12 is soil runoff. We can deduce from this that as the rainwater runs across the soil it picks up microorganisms that produce Vitamin B12 as a metabolic byproduct.

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17 Comments

Carole Benner

Then it is not “Rain” it is “Runoff”

Player Dennis

The explanation includes rain water that has landed and run down roofs and soil runoff.

fdeisner

People say you get vitamin D from the Sun. The vitamin D is not actually in the Sunshine but when it hit your body it causes your body to produce vitamin D. The Rainwater when it forms does not contain vitamin B12 until it interacts and is contaminated by something else.

fdeisner

David Ching, When it CHANGES to stormwater which I interpret that the original rainwater did not contain vitamin B12.

fdeisner

I saw who posed the question and knew the answer had to be yes even though the correct answer is no. As stated above "Rain does not inherently contain Vitamin B12. However, there are circumstances whereby it can contain Vitamin B12". Does food contain dirt? Of course it does not unless it falls on the ground and then it does.

MohamedLarbi Bouabdallah

you are talking about rainwater mixed with something else.

Gene Chapman

Answer is incorrect.

David Ching

"Dont get upset" - I'm more upset by the attitude. B12 gets into rain from mosses on roofs, or plantlife, when it changes to stormwater.

Sue Grayson

Of course its yes. Otherwise it's a pointless question!

carlthedad

Vitamin B12 can be found in rain. A little fact nannies around the internet like an erratic fish in a whirl pool. There that's my opinion and I'm sticking to it.