Primary Care ยท Texas

    Vitamin Deficiency Testing
    & Treatment in Texas

    Comprehensive nutrient testing to uncover hidden deficiencies that may be causing your fatigue, brain fog, and poor health โ€” with targeted supplementation to restore your vitality.

    Book Nutrient Panel
    0%
    Americans deficient in at least one nutrient
    0%
    Americans are Vitamin D deficient
    0%
    Over age 50 have B12 deficiency
    0st (Iron)
    Most common deficiency worldwide

    The Hidden Epidemic

    Nutrient deficiencies are often silent โ€” symptoms are vague, nonspecific, and easy to attribute to "just being tired" or "getting older." Yet they profoundly affect energy, immunity, cognition, and mood.

    ๐Ÿง 

    Cognitive Decline

    B12, folate, and magnesium deficiencies impair memory, concentration, and increase dementia risk over time.

    ๐Ÿ˜ด

    Chronic Fatigue

    Iron deficiency anemia and low Vitamin D are among the most common, treatable causes of persistent exhaustion.

    ๐Ÿ›ก๏ธ

    Weakened Immunity

    Zinc, Vitamin D, and B6 deficiencies significantly impair immune function, leading to frequent infections.

    ๐Ÿ’ช

    Muscle & Bone Health

    Vitamin D and magnesium deficiencies weaken bones, cause muscle cramps, and increase fracture risk.

    Key Deficiencies We Test

    Our comprehensive nutrient panel evaluates all of the following โ€” revealing exactly where your body needs support.

    โ˜€๏ธ

    Vitamin D

    Common Symptoms
    • โ— Fatigue and low energy
    • โ— Bone pain or tenderness
    • โ— Muscle weakness
    • โ— Frequent infections
    Who's at Risk

    People with limited sun exposure, darker skin tones, obesity, those over 65, and northern latitude residents.

    Treatment

    Vitamin D3 supplementation 2,000โ€“5,000 IU daily. High-dose loading regimens for severe deficiency (D <20 ng/mL). Retest in 3 months.

    ๐Ÿ”ด

    Vitamin B12

    Common Symptoms
    • โ— Extreme fatigue
    • โ— Numbness or tingling in hands/feet
    • โ— Memory problems or "brain fog"
    • โ— Pale or yellowish skin
    Who's at Risk

    Vegans and vegetarians, adults over 50 (decreased intrinsic factor), those on metformin or PPIs, patients with pernicious anemia.

    Treatment

    Oral B12 (1,000โ€“2,000 mcg daily) or intramuscular injections monthly for severe deficiency or malabsorption.

    ๐Ÿฉธ

    Iron

    Common Symptoms
    • โ— Profound fatigue and weakness
    • โ— Pale skin and nail changes
    • โ— Shortness of breath with exertion
    • โ— Cold hands and feet
    Who's at Risk

    Menstruating women, pregnant women, vegetarians, athletes, those with GI bleeding or malabsorption.

    Treatment

    Oral iron (ferrous sulfate 325 mg) with Vitamin C to enhance absorption. IV iron for severe deficiency or intolerance.

    ๐ŸŒฟ

    Folate (B9)

    Common Symptoms
    • โ— Fatigue and weakness
    • โ— Mouth sores
    • โ— Tongue inflammation
    • โ— Neural tube defects in pregnancy
    Who's at Risk

    Pregnant women (critical!), alcohol users, those on methotrexate or anti-seizure meds, patients with Celiac disease.

    Treatment

    Folic acid 400โ€“800 mcg daily. Women of childbearing age should supplement even before conception to prevent neural tube defects.

    ๐Ÿงก

    Vitamin B6

    Common Symptoms
    • โ— Peripheral neuropathy (nerve pain)
    • โ— Depression and mood swings
    • โ— Confusion and cognitive decline
    • โ— Weakened immune function
    Who's at Risk

    Older adults, those on isoniazid or certain blood pressure medications, people with autoimmune disorders.

    Treatment

    Pyridoxine (B6) 25โ€“100 mg daily. Avoid very high doses (>200 mg) which paradoxically cause neuropathy.

    โšก

    Magnesium

    Common Symptoms
    • โ— Muscle cramps and spasms
    • โ— Tremors and twitching
    • โ— Anxiety and irritability
    • โ— Sleep disturbances
    Who's at Risk

    People with type 2 diabetes, alcoholism, Crohn's disease, those on diuretics or PPIs, and athletes with high sweat losses.

    Treatment

    Magnesium glycinate or citrate 200โ€“400 mg daily (better absorbed than oxide). IV magnesium for severe symptomatic deficiency.

    ๐Ÿ›ก๏ธ

    Zinc

    Common Symptoms
    • โ— Frequent infections and poor wound healing
    • โ— Loss of taste or smell
    • โ— Hair loss
    • โ— Diarrhea
    Who's at Risk

    Vegans (plant phytates reduce absorption), those with GI disease, excessive alcohol users, and the elderly.

    Treatment

    Zinc gluconate or picolinate 25โ€“50 mg daily with food. Avoid high doses (>40 mg) long-term as it depletes copper.

    How We Test

    ๐Ÿฉธ

    Comprehensive Blood Panel

    • โ€ข 25-Hydroxyvitamin D (Vitamin D)
    • โ€ข Vitamin B12 and Methylmalonic Acid
    • โ€ข Complete Blood Count (CBC) for anemia
    • โ€ข Serum Ferritin and Iron Studies
    • โ€ข RBC Folate (more accurate than serum)
    • โ€ข Magnesium, Zinc levels
    • โ€ข Vitamin B6 (Pyridoxine) level
    ๐Ÿ“Š

    Understanding Your Results

    Lab "normal" ranges are often broader than optimal ranges. We interpret your results in the context of your symptoms, not just lab cut-offs.

    Example: Vitamin D "normal" may be set at 20 ng/mL, but optimal for immune function and bone health is 40โ€“60 ng/mL.

    We discuss every value with you and explain what it means for your health โ€” not just whether it's flagged.

    ๐Ÿ“…

    Monitoring & Follow-up

    After starting supplementation, we retest levels at appropriate intervals (typically 3 months for D and B12, 3โ€“6 months for iron) to confirm response.

    We adjust doses based on follow-up labs and symptom response โ€” ensuring you reach and maintain optimal levels without over-supplementing.

    Smart Supplementation

    Not all supplements are equal, and more isn't always better. We guide you to the right forms, doses, and timing for maximum benefit.

    ๐Ÿ”ฌ

    Form Matters

    Magnesium glycinate absorbs far better than oxide. Methylcobalamin (active B12) vs. cyanocobalamin. D3 over D2. We recommend evidence-based forms.

    โš—๏ธ

    Cofactors & Synergy

    Vitamin D works with K2 to direct calcium to bones. Iron absorbs better with C. B vitamins work together. We optimize the complete picture.

    ๐Ÿฝ๏ธ

    Food First When Possible

    Fatty fish for D, leafy greens for folate, red meat for iron and B12. We help you optimize dietary sources before or alongside supplementation.

    โš ๏ธ

    Avoid Over-Supplementation

    Excess fat-soluble vitamins (A, D, E, K) accumulate and can be toxic. High-dose zinc depletes copper. We prevent over-correction.

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    Quality Supplements

    Third-party tested (USP, NSF, ConsumerLab) brands ensure purity and label accuracy. We provide specific product guidance based on current evidence.

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    Prescription When Needed

    Severe deficiencies or malabsorption may require prescription-strength doses or IV/IM administration. We handle these cases directly.

    Why Testing Matters More Than Guessing

    Without Testing

    • โ€ข Guessing which supplements to take
    • โ€ข Wasting money on unneeded supplements
    • โ€ข Risk of over-supplementation toxicity
    • โ€ข Underlying deficiency goes untreated
    • โ€ข No baseline to measure improvement

    With Our Testing

    • โ€ข Know exactly what you're deficient in
    • โ€ข Targeted, effective supplementation
    • โ€ข Safe dosing guided by actual levels
    • โ€ข Treat the root cause of symptoms
    • โ€ข Track progress with follow-up labs

    Feeling Drained & Foggy?
    Your Nutrients May Be the Answer.

    Stop guessing why you feel the way you do. A simple blood panel can reveal the nutritional gaps that are holding you back โ€” and we'll create a targeted plan to fill them.

    Order My Nutrient Panel

    Comprehensive lab work with same-day results often available

    ยฉ 2026 Starling Clinic โ€” Vitamin Deficiency Testing & Treatment in Texas