People with symptoms of Vitamin B12 deficiency show symptoms and signs including: forgetfulness fatigue heart palpitations pale skin weight loss infertility numbness and tingling in the hands and feet dementia mood changes a sore tongue low appetite constipation Vitamin B12 deficiency risk factors Vitamin B12 Injection Benefits Vitamin B12 injections can reduce the risk of the following conditions: heart disease stroke neurological disorders problems with thinking and memory vision loss infertility neural tube defects in children born to those with a vitamin B12 deficiency Beyond these benefits, B12 injections are recognised for their positive impact on metabolism and weight management

Recalls & Warnings January 07, 2017 Seller of Protein and Workout Supplements Warned for Manufacturing Violations, Label Errors On December 22, 2016, the FDA issued a warning letter to Rock Solid Nutrition, LLC, following a facility inspection which found the company's products, including Whey Isolate (Cinnabun flavor), Pre-Pump (Massive Mango flavor) and Strength Test to be adulterated because
TB-500: The Workforce Mobilizer TB-500 is a synthetic version of Thymosin Beta-4 (T$\beta$4) , a 43-amino-acid protein found in nearly every human cell
They mean the FDA found problems during inspections
Reported Side Effects Injection-site irritation (redness, mild swelling) usually resolves within minutes to hours