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This result is attributed to the cited ingredient-level study and does not represent a whole-product outcome claim
doi:10.1007/s40257-014-0077-5
In men especially, low levels may affect: Energy levels Libido and sexual performance Muscle mass and strength Mood and motivation Body composition Bone density However, keep in mind that low energy and low motivation can come from many different causes besides B12 deficiency
10 Chan, C
If appropriate, a personalized protocol is prescribed based on individual needs
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