 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. Some liquid brands may require you to shake the bottle well before each dose. If you are taking the extended-release tablets, do not crush or chew them. Doing so can release all of the drug at once, increasing the risk of side effects. Swallow the tablets whole. If you are taking the chewable tablet, chew the medication thoroughly before swallowing. If you are taking the rapidly-dissolving tablets, dissolve in the mouth with or without water as directed by your doctor or the product package. Vitamin C (ascorbic acid) can decrease the amount of vitamin B12 you absorb. Avoid taking large doses of vitamin C within one hour before or after taking this product. If your condition lasts or gets worse, or if you think you may have a serious medical problem, get medical help right away.The side effects of Cyanocobalamin (Vitamin B-12) Oral: This product usually has no side effects. If you have any unusual effects, contact your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has </s>