In: Bhatt HR, James VHT, Besser GM, Bottazzo GF, Keen H, editors
Adverse effects: Seek medical advice if you develop any unusual, severe, or persistent side effects or symptoms after taking vitamin B12 supplements
full potency ~1 month, with a noticeable quality drop after ~6 weeks
Whether you're just starting or fine-tuning your dose, you'll find everything you need to make informed decisions (and get the best results!)
In the case of the DSi, this means a subtle but classy redesign for the DS Lite with the addition of two cheapo cameras and SD memory card support, a marginal improvement in screen size and quality and, most promising, the ability to download games and applications from Nintendos online DSi Shop.