No, you should not eat Vaseline. Vaseline is a brand name for petroleum jelly, which is a semi-solid mixture of hydrocarbons derived from petroleum. While petroleum jelly is generally considered safe for topical use, it is not intended for internal consumption and can cause harm if ingested.

Petroleum jelly is not a food product and does not provide any nutritional value. Ingesting petroleum jelly can cause gastrointestinal distress, including nausea, vomiting, and diarrhea. It can also cause aspiration pneumonia if it is accidentally inhaled into the lungs. Ingesting petroleum jelly may also interfere with the absorption of nutrients in the digestive system, which can lead to malnutrition over time.
Furthermore, petroleum jelly is not regulated as a food product by the U.S. Food and Drug Administration (FDA). While it is generally recognized as safe for topical use, it has not been evaluated for safety as a food ingredient. The FDA prohibits the use of petroleum jelly in food products, except as a component of food-contact substances such as packaging materials.
Some people have suggested that eating small amounts of petroleum jelly may have laxative effects and help relieve constipation. However, there is no scientific evidence to support this claim, and the risks of ingesting petroleum jelly far outweigh any potential benefits.
If you accidentally ingest petroleum jelly, you should seek medical attention immediately. Ingestion of petroleum jelly can cause serious health problems, especially if it enters the lungs. Symptoms of petroleum jelly ingestion may include nausea, vomiting, diarrhea, coughing, and difficulty breathing. If you experience any of these symptoms after ingesting petroleum jelly, contact a healthcare provider or poison control center right away.
In summary, while petroleum jelly is generally considered safe for topical use, it is not intended for ingestion and can cause harm if ingested. Eating Vaseline is not recommended and may result in serious health problems. If you accidentally ingest petroleum jelly, seek medical attention immediately.