Cures and side effects for Extra Strength Methylcobalamin Vitamin B12 10,000 mcg (No Shot, Quick Release, 30 Instant Dissolve Mini Tabs) have not been reviewed by Seacoast, nor the FDA. Individual results will vary. Contact a healthcare professional if you have questions about using Extra Strength Methylcobalamin Vitamin B12 10,000 mcg (No Shot, Quick Release, 30 Instant Dissolve Mini Tabs).