This oral supplementation works just as well as injections for most patients
The most common thing you might notice is mild redness, tenderness, or slight swelling where the needle went in, and that usually settles quickly
(PubMed) Shay KP, Moreau RF, Smith EJ, Smith AR, Hagen TM
Look at the maximum number printed on the barrel
For children ages 12 and older, use one-to-two pumps daily
However, test-tube and animal studies show that guarana extract may boost metabolism and limit fat cell production by suppressing certain genes ( Side effects: Because guarana is high in caffeine, it may cause insomnia, headaches, nervousness and increased heart rate and anxiety, especially when taken in high doses ( Summary Guarana which is especially high in caffeine may boost metabolism, but more research is needed to determine whether it suppresses appetite or promotes weight loss