November 2025

What are the side effects of the Stacker 2 B12 energy shot? Common side effects of vitamin B12 injections include mild diarrhea, itching, nausea and vomiting, dizziness, headaches, and hot flashes. In rarer cases, vitamin B12 can cause more serious side effects such as an irregular heartbeat or heart palpitations, hives, and anaphylaxis. Water-soluble vitamins […]

Is an energy shot safe? They are the second most popular dietary supplement for American teenagers and young adults. Yet, they contain extreme amounts of caffeine, are bad for your health, and could cause safety hazards. Further analysis of the Stacker 2® tablets demonstrated caffeine levels of approximately 400 mg in each tablet without any

Is 50 mg of caffeine a lot? According to the Food and Drug Administration, as much as 400 milligrams of caffeine a day – equal to four or five cups of coffee – is considered safe for healthy adults. An 8-ounce cup of green or black tea has 30-50 mg of caffeine. Consuming 700mg of

What are the ingredients in the energy shot? Similar to energy drinks, energy shots contain caffeine, vitamins, and herbs such as guarana, ginseng or ginkgo biloba, taurine, maltodextrin, inositol, carnitine, creatine or glucuronolactone. Some energy shots contain sugar; however, many brands also offer artificially-sweetened ‘diet’ versions. Energy drinks may show positive beneficial effects on exercise

What burns belly fat very fast? Aerobic exercise includes any activity that raises your heart rate such as walking, dancing, running or swimming. This can also include doing housework, gardening and playing with your children. Other types of exercise such as strength training, Pilates and yoga can also help you lose belly fat. What’s actually

How quickly do B12 injections work? Hydroxocobalamin starts to work straight away. However, it may take a few days or weeks before your vitamin B12 levels and symptoms (such as extreme tiredness or lack of energy) start to improve. Are there any long-term side effects? It’s OK to have hydroxocobalamin injections for a long time.

Is ephedra legal again? Nutraceutical Corp. May 14, 2007 the United States Supreme Court declined to hear this petition. The sale of ephedra alkaloid-containing dietary supplements remains illegal in the United States. Accordingly, ephedrine has repeatedly been implicated in adverse and sometimes fatal outcomes despite compliance with recommended dosages. Ephedrine has been likened to other

Why did they stop selling ephedrine? Specifically, by 2004, the Food and Drug Administration (FDA) had received over 18,000 adverse event reports (AERs), potentially related to use [1]. Ephedrine products are now more tightly controlled, and ephedra products were banned due to misuse and AEs. Other adverse effects associated with the use of ephedrine include

What does Stacker 2 pills do? Stacker 2 is an energy supplement company developed by NVE Pharmaceuticals in 1997. It got its name from Stacking which was what bodybuilders routinely engaged in by stacking and ingesting Ephedrine HCL, caffeine and aspirin to acquire more energy for a workout. A stacker is a large machine used

What are the side effects of weight loss drugs? What you should know about weight-loss drugs. Mild side effects, such as nausea, constipation and diarrhea, are common. They may lessen over time. Rarely, serious side effects can happen. You’ll probably gain weight back once you stop getting your injections, but you’re likely to wind up