How Do Vitamin B12 Injections Work?
Vitamin B12 injections deliver the nutrient directly into the bloodstream, bypassing the digestive system for faster and more efficient absorption. They are commonly used to treat B12 deficiencies, support energy production, and improve nerve and brain function. Individuals with absorption issues or certain medical conditions often benefit most from these shots. At Fast Aid Urgent Care, Dr. Curtis Grote, MD, offers safe and effective B12 injections to help restore your health and vitality. For more information, contact us or join the virtual line. We have convenient locations to serve you in Bulverde Rd San Antonio TX, Bastrop TX, Alamo Ranch San Antonio TX, La Grange TX, Leon Springs San Antonio TX, New Braunfels TX, Potranco Road San Antonio TX, Dripping Springs TX, Lemon Creek Boerne TX, and Belle Chasse LA.




Table of Contents:
How do vitamin B12 injections help the body?
Why are vitamin B12 injections preferred over oral supplements?
Can vitamin B12 injections help with deficiencies caused by diet?
How does Dr. Curtis Grote, MD, help with vitamin B12 deficiency through injections?
Unlike oral supplements, vitamin B12 injections bypass the digestive system, delivering the vitamin directly into your bloodstream for maximum absorption. This is particularly beneficial for patients with conditions such as pernicious anemia, gastrointestinal disorders, or those who have had gastrointestinal surgery. Our experienced medical team can quickly assess your needs and provide the right care on the spot.
Key Benefits of Vitamin B12 Injections:
● Red Blood Cell Formation: Healthy levels of vitamin B12 are crucial for producing red blood cells, which transport oxygen throughout your body. Deficiency can lead to fatigue and weakness—a problem our urgent care team can help you quickly address with targeted B12 injections.
● Nerve Health: Vitamin B12 helps maintain the protective covering of your nerves, the myelin sheath. Deficiency can cause numbness, tingling, or balance issues. At Fast Aid Urgent Care, we can help prevent or treat these symptoms with prompt B12 supplementation.
● Energy Boost: If you’re feeling unusually tired or weak, low B12 levels may be the cause. Our injections are designed to help restore your energy quickly, so you can get back to your day-to-day activities.
● Mental Well-being: Adequate B12 is linked to improved mood and cognitive function. If you’re experiencing memory problems, confusion, or mood swings, our care team can determine if B12 supplementation is right for you.
At Fast Aid Urgent Care, we’re dedicated to providing fast, effective, and compassionate treatment for all your urgent medical needs—including vitamin deficiencies. If you suspect you’re low in vitamin B12 or have symptoms like fatigue, nerve issues, or mood changes, visit us today. Our friendly healthcare professionals can evaluate your symptoms and quickly provide a treatment plan tailored to you—including vitamin B12 injections if needed.
Vitamin B12 must be absorbed in the small intestine with help from a protein called intrinsic factor, which some individuals cannot produce in adequate amounts. Conditions such as pernicious anemia, atrophic gastritis, Crohn’s disease, or celiac disease can all impair your body’s ability to absorb B12 from food or pills. Even with high-dose oral supplements, you might not be able to restore healthy B12 levels if your absorption is compromised.
At Fast Aid Urgent Care, our medical providers can assess your symptoms and medical history. If you’re experiencing persistent fatigue, numbness, memory issues, or balance problems—and especially if you have a known absorption disorder—we may recommend B12 injections. These injections bypass the digestive system entirely, delivering vitamin B12 directly into your muscle for immediate and complete absorption.
Benefits of B12 Injections at Fast Aid Urgent Care:
● Rapidly restore B12 levels and relieve symptoms
● Effective for patients with gastrointestinal absorption issues
● Reliable treatment for severe deficiencies or neurological symptoms
● Convenient, walk-in service—no appointment needed
If you’ve been struggling with symptoms of B12 deficiency or have a condition that affects nutrient absorption, visit Fast Aid Urgent Care. Our team will work with you to determine the best treatment option and help you feel better, faster.
At Fast Aid Urgent Care, we offer vitamin B12 injections as an effective treatment option for individuals experiencing vitamin B12 deficiencies, especially those resulting from dietary insufficiency. Vitamin B12 is essential for nerve function, red blood cell production, and overall health. Since B12 is primarily found in animal-derived foods (such as meat, dairy, and eggs), individuals who follow strict vegetarian or vegan diets, or those who consume very limited animal products, are at an increased risk of deficiency.
If you are experiencing symptoms such as fatigue, weakness, unexplained anemia, or neurological changes and suspect you may have a vitamin B12 deficiency, our medical team can provide a thorough evaluation. For many patients, oral supplements are the first step in treatment. However, if your deficiency is severe, or if oral supplements are not effective or suitable—perhaps due to absorption issues—Fast Aid Urgent Care can administer intramuscular B12 injections to quickly restore your vitamin levels.
These injections bypass the digestive system, delivering the vitamin directly into your bloodstream for rapid symptom relief. Our healthcare providers will monitor your progress and recommend an individualized follow-up plan, which may include continued supplementation or periodic injections, based on your unique needs and dietary habits.
At Fast Aid Urgent Care, Dr. Curtis Grote, MD, assists patients with vitamin B12 deficiency by providing medically supervised B12 injections. If you are experiencing symptoms such as fatigue, numbness, tingling, or cognitive changes, our providers can evaluate your vitamin B12 levels through blood tests and a thorough review of your symptoms.
B12 injections are especially important for individuals who have difficulty absorbing this vitamin through the digestive tract—such as those with pernicious anemia, certain gastrointestinal disorders, or those who have had specific surgeries. Dr. Curtis offers intramuscular vitamin B12 injections, which allow the vitamin to bypass the digestive system and be absorbed directly into the bloodstream for maximum effectiveness.
Our team will monitor your response to treatment, adjusting the dosage and schedule of injections as needed, and will regularly check your B12 levels to ensure safety and optimal results. We also provide education on follow-up care and may recommend lifestyle or dietary adjustments to help you maintain healthy B12 levels in the long term.
Fast Aid Urgent Care is committed to providing comprehensive, patient-centered care to alleviate the symptoms of B12 deficiency, support your neurological health, and prevent long-term complications. If you suspect you may have a vitamin B12 deficiency or have questions about your symptoms, visit Fast Aid Urgent Care for prompt evaluation and treatment.
For more information, contact us or join the virtual line. We serve patients from Bulverde Rd San Antonio TX, Windcrest TX, Selma TX, Bastrop TX, Paige TX, Smithville TX, Alamo Ranch San Antonio TX, Leon Valley TX, Helotes TX, La Grange TX, Rabbs Prairie TX, Halsted TX, Leon Springs TX, Fair Oaks Ranch TX, Cross Mountain TX, New Braunfels TX, Hunter TX, Zorn TX, Potranco Road San Antonio TX, Rio Medina TX, Rolling Oaks Estates TX, Dripping Springs, TX, Saddletree Ranch TX, Belterra TX, Lemon Creek Boerne TX, Scenic Oaks TX, Fair Oaks Ranch TX, Belle Chasse LA, Timberlane LA, Woodmere LA, and surrounding areas.

Additional Services You May Need
▸ Urgent Care
▸ Walk-in Family Care
▸ Children’s Health
▸ Sports Physicals
▸ DOT Physicals
▸ Pediatric Urgent Care
▸ Immunization

Additional Services You May Need
▸ Urgent Care
▸ Walk-in Family Care
▸ Children’s Health
▸ Sports Physicals
▸ DOT Physicals
▸ Pediatric Urgent Care
▸ Immunization




