can cause alot more than depression.
it can cause irreversible nerve damage.
from personal experience, be careful how much you take.
100mg-200mg daily for me caused some very disturbing symptoms.
numbness, tingling, pricks/pins/needles, shocks, buzzing/vibrating, muscle twitches, muscle weakness, severe fatigue, diziness, lighheadedness, anxiety, irritability etc.
was diagnosed with b6 toxicity recently. beware of b6. it is a dangerous "water-soluble" vitamin.