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Comment on Ask HN: How do you focus at work?parent

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I take xenadrine + b12 sublingual w/ similar benefits...

I've tried other caffeine heavy weight loss supplements with greentea and stuff, but apparently the key is (i believe) Caffeine + l-theanine. Together that helps with focus, I generally feel better if I can keep my Vitamin D up as well, as that's linked to depression and I'm deficient because of weight loss surgery.

Note: I do not use Xenadrine as a weight loss supplement, only for the energy aspects and not on a regular basis, only when I feel I have 0 chance of focusing and really need that boost.

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