can i take creatine with l carnitine is it safe to and l-carnitine Creatine vs Carnitine: Do You Need Both? Power your day with Liquid Carnitine 3000mg Plus How to Take L-Carnitine Correctly
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PMID 12735695

You can dilute to taste with a small amount of water or juice Shake well before using
At the end of the treatment period, the whole aortas were excised and the atherosclerotic plaque development was evaluated via ORO staining of the aortic arch

Mol Psychiatry (2006) 11:24151.10.1038/sj.mp.4001758 60 CarterCJ

Regarding supplementing with B12, you have two main options: B12 Pills vs B12 Shots