Maria Cardenas, MD (Board Certified: Internal Medicine) (Licensed Medical Doctor) Medical Director, Clinical Director & Collaborative Physician NPI # 1164426749 MD License #: J2933 Licenses and Board Certifications: MD: Medical Doctor DC: Doctor of Chiropractic APRNP: Advanced Practice Registered Nurse FNP-BC: Family Practice Specialization (Multi-State Board Certified) RN: Registered Nurse (Multi-State Compact License) CFMP: Certified Functional Medicine Provider MSN-FNP: Master of Science in Family Practice Medicine MSACP: Master of Science in Advanced Clinical Practice IFMCP: Institute of Functional Medicine CCST: Certified Chiropractic Spinal Trauma ATN: Advanced Translational Neutrogenomics Memberships & Associations: TCA: Texas Chiropractic Association: Member ID: 104311 AANP: American Association of Nurse Practitioners: Member ID: 2198960 ANA: American Nurse Association: Member ID: 06458222 (District TX01) TNA: Texas Nurse Association: Member ID: 06458222 NPI: 1205907805 Dr

This study had some limitations: We only relied on blood B 12 concentration, while serum holotranscobalamin, homocysteine, and methylmalonic acid levels may be considered more reliable indicators of B 12 deficiency than the concentration of B 12 in blood
Patients being treated with chemotherapy or radiation especially for cancers of the head and neck may experience a range of changes in taste and smell, including a metallic taste sometimes referred to as chemo mouth. Studies show that zinc and vitamin D may help combat it, though research is ongoing
It is long enough to get under the skin but not so long that it penetrates muscle
Being water-soluble, the effects of vitamin B12 can take place immediately when administered through injections
Temporary Lightheadedness Occasionally, a rapid influx of nutrients can cause a brief shift in blood sugar or blood pressure