Gabamax

The general recommended an oral dose of the Gabamax is 1500 µg daily, divided into three doses. It is also available in other forms such as injectibles. Patients with critically low levels of methylcobalamin are often recommended by to take intramuscular injections to cover up for their deficiency.

Yes, the spontaneous pain, tingling, burning and itching associated with neck pain alleviates with the use of the Gabamax. 

Gabamax is an active form of vitamin B12. It is available in the form of oral, parenteral, and sublingual (under the tongue) formulations. It is used to treat B12 deficiency, Alzheimer's disease, diabetic neuropathy (nerve damage due to diabetes), visual function, rheumatoid arthritis, Bell's Palsy (facial paralysis or temporary weakness of the facial muscles), sleep-wake rhythm (irregular sleeping pattern) disorder and neuropathic pain.

Methylcobalamin is abundantly found in eggs, milk, curd, meat (chicken and fish). However, if your levels are very low you are recommended to take medicines as per doctors instructions.

Gabamax works by forming myelin sheath which is used to cover and protect the nerve cells. Gabamax is used to revive the nerve cells. In the absence of enough Gabamax, myeline sheath doesn't form properly leading to nerve damage.