Vitamin B12 is an essential nutrient, helping the body create energy, support nerve function and form blood cells. Although not everyone needs to supplement it, for some groups, using vitamin B12 at the right time can help optimize efficiency.
The time to take vitamin B12 can affect absorption and how the body uses this nutrient. Many recommendations suggest taking it in the morning or early afternoon, especially on an empty stomach, for better absorption.
Vitamin B12 participates in the process of converting food into energy, so many people notice an improvement in alertness when starting to supplement. Some studies also show that this vitamin can promote alertness and increase sensitivity to light. This is beneficial during the day but can affect sleep if used too late.
In addition, high levels of vitamin B12 may be related to reduced production of melatonin, a hormone that helps regulate sleep. Therefore, taking vitamin B12 in the evening can make it difficult for you to fall asleep or sleep less deeply.
To increase absorption efficiency, the time of drinking should be accompanied by appropriate use. Drinking on an empty stomach usually helps the body absorb better. At the same time, avoid using it at the same time as foods rich in vitamin C such as oranges and lemons because it can reduce the effectiveness of vitamin B12.
Alcohol use can also affect the absorption of this nutrient. In addition, some medications such as metformin or proton pump inhibitors can hinder absorption, so vitamin B12 should be taken a few hours apart from these medications.
Vitamin B12 is mainly found in animal-based foods such as meat, eggs and milk. Therefore, vegetarians or vegans are at higher risk of deficiency and may need to supplement from functional foods.
Elderly people or people with diseases affecting the digestive system are also prone to vitamin B12 deficiency due to reduced absorption capacity. In these cases, it may be necessary to supplement higher doses or apply injection methods to ensure effectiveness.
Injecting vitamin B12 helps bring nutrients directly into the blood, bypassing the digestive system, thereby absorbing them faster. This method is often used when the body has absorption problems or severe deficiencies.
However, the most important thing when supplementing with vitamin B12 is to maintain it regularly. The time of taking can be flexible according to personal habits, but consistency is needed to achieve long-term effectiveness.