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Low vitamin b12 and testosterone level
Recently i have taken blood test and found vitamin b12 231 and testosterone 165 ng/dl. what is the cause for these deficiency???. I have anxiety and digestion issues...
Answers (18)
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Hi! I deal in longevity medicine and these are my core topics of specialisation. Feel free to connect on Practo :)
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Body metabolism disbalance.
N lot of other factors such as stress, anxiety, low or poor sleep.
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If you want to discuss your problem in more detail, feel free to message me on WhatsApp at nine one one nine two five five six nine nine for a detailed free discussion
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Consult endocrinologist for better evaluation.
Btw investigation are
CBC, TSH, LH, FSH, GH, IGF-1, prolactin , repeat testosterone.
Sample should be taken in morning.
Start vitB12 supplement for longer period
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Do the following,
1. B12 tablets (methacobalamin) daily for long term.
2. Blood tests : KFT, CBP, Immunoglobulins, TSH, ACTH, FSH, LH, GH, IGF-1, Cortisol, Prolactin and HbA1C
3. Ultrasound testes
4. Depending on the blood results - MRI scan of Pituitary
5. Monitor your weight and blood pressure
6. Wait for tests before any replacement with testosterone
All the best.
www.jgsr-health-education.in
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B12 is borderline , take b12 supplements for 3 weeks , its will be improve.for testosterone you need to improve your lifestyle modifications and dietary habits mostly.
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Your values:
• Vitamin B12 = 231 pg/mL → Low-normal / borderline deficient
• Testosterone = 165 ng/dL → Clearly low for a 39-year-old male
Let’s interpret properly.
Next Steps
Very important:
Testosterone should be tested:
✔ Between 7–10 AM
✔ Fasting
✔ On 2 separate occasions
Now do further evaluation:
✔ Repeat total testosterone (morning)
✔ Free testosterone
✔ LH & FSH
✔ Prolactin
✔ Vitamin D
✔ HbA1c
✔ TSH
For B12:
✔ Start B12 supplementation (oral 1500–2000 mcg daily OR injections if symptomatic)
✔ Check homocysteine if needed
If LH/FSH low → secondary hypogonadism
If LH/FSH high → primary testicular issue
Treatment depends entirely on this distinction.
Do NOT start testosterone therapy without proper hormonal workup.
Health Tips
✔ Sleep 7–8 hours consistently
✔ Lift weights 3–4 times per week
✔ Reduce processed sugar
✔ Get sunlight exposure
✔ Avoid alcohol excess
✔ Practice stress regulation (breathing, meditation)
Very often in 30s, low testosterone is functional and reversible if root cause is corrected.
Since you also have anxiety and digestion issues, your case likely needs a metabolic + hormonal axis evaluation rather than just supplements. If you share your weight, sleep pattern, and medication history, I can narrow this down further.
Booking an online consultation will allow a structured hormonal assessment and avoid unnecessary long-term hormone therapy.
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Hello,
Your B12 (231) is borderline low and testosterone (165 ng/dl) is clearly low for your age. Causes can include poor diet, gut absorption problems, chronic stress, obesity, sleep issues, hormonal imbalance, or thyroid problems.
Since you also have anxiety and digestion issues, this needs proper evaluation — not just supplements.
Next steps:
• Repeat early morning testosterone
• Check LH, FSH, prolactin, thyroid profile
• Evaluate gut health and diet
This requires detailed assessment of your reports and symptoms together. I strongly recommend a proper consultation so we can identify the exact cause and plan targeted treatment.
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Dietary advise and guidance please consult.
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Dr. Gaurav Jaiswal
General Physician
7 yrs exp
Jhansi
Avoid fried and spicy food
Water intake more
Kindly do connect and consult
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Dr. Shaikh Huzaif
General Physician
20 yrs exp
Mumbai
Please consult
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Dr. Ashita Kuruvilla
General Practitioner
8 yrs exp
Kolkata
Need few more details for further evaluation. Kindly consult
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Dr. Rachna Pande
Internal Medicine
42 yrs exp
Bhopal
You have slighty low vit b12 levels, very low testosterone.
Take tab neurobion forte one daily for 4 weeks.
Take testosterone injections. Consult a gen surgeon physically to exclude any local testes problem.
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Dr. Sajid Ali
General Practitioner
4 yrs exp
Kanpur
Get becosule once a day for a month
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Dr. Vetsa Sri Krishna Chaitanya
General Physician
7 yrs exp
Rajahmundry
Need a few more details please consult for further evaluation and treatment
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Dr. Suraj Sharma
General Practitioner
4 yrs exp
Jaipur
Do consult
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Dr. Anuj Mothsra
General Physician
6 yrs exp
Jhunjhunu
Can help you, kindly consult and provide detailed history for proper diagnosis and further management
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Dr. Ravi Kumar Nadella
General Physician
18 yrs exp
Hyderabad
Inflammation
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