One at night as recommended helps with sleep and feeling better, more refreshed, the next day.
Each capsule gives a gentle energy boost lasting about 4 hours. No side or after effects that I noticed. I'd recommend it.
My daughter finds this excellent for helping her immune system through winter, assists with Reynaud's disease as well. It's helped my immune system after having influenza in winter however it caused me some stomach irritation when taken on an empty stomach. Taking it with food seems to help. Will keep trying.
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