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Chronic fatigue and weakness that persists despite adequate sleep
In fact, a 2019 study found that sublingual B12 supplements (a form of supplement that you place under your tongue and let dissolve) were more effective than B12 shots for increasing B12 levels
Youve had a gastric bypass or GI disorders (like Crohns or IBS), which reduce nutrient absorption
A vial label may show the concentration, while your treatment plan may describe the amount used at each administration
NAD+ is an essential cofactor for sirtuins (SIRT1-7), DNA repair, and mitochondrial function
It also keeps our nervous system healthy by making myelin
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