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Vitamin B12 Injection Replenish Kit

8 week Injection Replenish Kit

Dealing with fatigue, muscle aches, or brain fog? We've got you. Vitamin B12 deficiency is common in women - from low intake, reduced absorption, pregnancy demands, autoimmune gastritis, and medications like PPIs or metformin. Our B12 injection delivers pure, biologically active methylcobalamin — no conversion required — via deep subcutaneous injection. Each preservative-free kit ships as a complete 8-week supply, right to your door.

Why it matters beyond energy: B12 helps balance red blood cell production, supports the nervous system, regulates mood, and helps restore healthy sleep-wake cycles — powering the momentum your metabolism runs on.

$153

Category:

How to Use

Vitamin B12 Storage: Refrigeration; no need to freeze. 

Vitamin B12 Schedule: Instructions for weekly dosing: give a deep SubQ/IM injection every week for 8 weeks to replenish vitamin B12 levels.

Vitamin B12 Injection Tips: Once approved, your GI doctor will send you video instructions in your GutsyRx portal.

Formula

Active Ingredient: Methylcobalamin

This product is Preservative Free!

Side Effects

  • Headache
  • Nausea
  • Vomiting
  • Diarrhea
  • Fatigue or weakness
  • Irritation at the injection site
  • Tingling sensation in hands & feet
  • If you experience any of these, consider lowering your dose of B12 or reducing how often you take it. You can also alternate the injection site for each subsequent injection to minimize irritation.

Do Not Use If...

  • Allergy or hypersensitivity to cobalt or vitamin B12
  • Polycythemia vera, a condition where the body produces too many red blood cells
  • Certain types of Leukemia, a cancer of the blood or bone marrow
  • Thromboembolic disorder, a condition where blood clots form in the blood vessels
  • Liver disease, as vitamin B12 metabolism occurs in the liver and may be affected
  • Pregnancy

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Description

Dealing with fatigue, muscle aches, or brain fog? We’ve got you. Vitamin B12 deficiency is common in women – from low intake, reduced absorption, pregnancy demands, autoimmune gastritis, and medications like PPIs or metformin. Our B12 injection delivers pure, biologically active methylcobalamin — no conversion required — via deep subcutaneous injection. Each preservative-free kit ships as a complete 8-week supply, right to your door.

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