Why take B12 at night?

You generally should not take Vitamin B12 at night because it boosts energy and supports alertness, potentially disrupting sleep cycles, although some people with B12 deficiency might see sleep improvement; however, for most, morning or early afternoon is best for energy without interfering with rest, ideally on an empty stomach for absorption, say performance lab experts, BodyBio, and The Indian Express.


Is it good to take B12 before bed?

No, you generally should not take Vitamin B12 before bed because its role in energy production and alertness can interfere with sleep, making it best to take in the morning or early afternoon to avoid disrupting your sleep cycle. While it's water-soluble and can be taken with or without food, taking it at night might increase wakefulness, so morning/daytime use ensures you benefit from its energy-boosting effects without keeping you up. 

Can I take vitamin B12 with metformin?

Vitamin B12 supplements don't interact with metformin, so they can safely be taken together.


Can I take vitamin B12 with amLODIPine?

Yes, you can generally take Vitamin B12 with amlodipine, as major interactions aren't listed, but it's crucial to always consult your doctor or pharmacist first, as some multivitamins might contain other minerals (like calcium or iron) that could affect amlodipine absorption, and your provider needs to know about all supplements you take. 

Can B12 cause headaches?

Yes, Vitamin B12 can cause headaches, both from a deficiency (low levels) and sometimes from taking very high doses of supplements, leading to side effects like headache, dizziness, or fatigue. Deficiency can cause headaches due to nerve irritation or reduced oxygen to the brain, while excess B12 (especially injections) might trigger headaches, nausea, or weakness, though it's generally considered safe.
 


AVOID These Vitamins Before Bedtime | Dr. Janine



What are the negative effects of taking B12?

Taking doses of vitamin B-12 might cause: Headache. Nausea. Diarrhea.

How much B12 should a senior take?

Seniors often need more B12 due to absorption issues, with recommendations shifting from the standard 2.4 mcg for adults to 500-1000 mcg (micrograms) or more daily via supplements to correct deficiencies, as high-dose oral forms work well and bypass stomach problems, though a doctor should guide this based on blood tests and medications. 

What medications cannot be taken with B12?

You should be cautious taking Vitamin B12 with medications that reduce stomach acid (like omeprazole, famotidine), diabetes drugs (metformin), antiseizure meds (phenytoin, carbamazepine), colchicine (for gout), aminosalicylic acid, and potentially high doses of Vitamin C, as these can hinder B12 absorption or interfere with its effects. Always consult your doctor or pharmacist about potential B12 interactions with your prescriptions. 


What is the biggest side effect of amlodipine?

Common side effects
  • Headaches. Make sure you rest and drink plenty of fluids. ...
  • Feeling dizzy. If amlodipine makes you feel dizzy, stop what you're doing and sit or lie down until you feel better. ...
  • Flushing. Try cutting down on coffee, tea and alcohol. ...
  • A pounding heartbeat. ...
  • Swollen ankles.


Is it okay to take B12 if you have high blood pressure?

Vitamin B12 is generally safe for blood pressure and may even offer benefits (like lowering stroke risk by reducing homocysteine), but high doses could potentially raise blood pressure in some people, so consulting a doctor is crucial before starting supplements, especially if you have hypertension or are on medication, as individual reactions vary and excess can cause issues like heart palpitations or anxiety. 

What is the biggest side effect of metformin?

The most serious, though rare, side effect of metformin is lactic acidosis, a life-threatening buildup of lactic acid in the blood that can lead to organ failure and death, especially in those with kidney problems, liver disease, or heavy alcohol use, with symptoms including severe tiredness, rapid breathing, abdominal pain, and confusion. Long-term use can also cause vitamin B12 deficiency, leading to fatigue or nerve damage, requiring regular monitoring. 


Should type 2 diabetics take vitamin B12?

Yes, vitamin B12 is important for people with type 2 diabetes, especially those taking metformin, as metformin can cause B12 deficiency, leading to nerve issues (neuropathy) and fatigue, but supplementation should be discussed with a doctor due to conflicting research on overall glycemic control and potential benefits for nerve health. Some studies show B12 improves insulin sensitivity and lowers HbA1c, while others suggest it's mainly for deficiency treatment, but it's essential to monitor levels and supplement under medical guidance. 

What depletes B12?

B12 gets depleted by insufficient dietary intake (especially for vegans/vegetarians), poor absorption due to stomach issues (like gastritis, low acid, pernicious anemia, or surgery removing parts of the stomach/intestine), digestive diseases (Crohn's, celiac), certain medications (metformin, acid reducers, some antibiotics), alcoholism, and genetics, with absorption problems being the most common cause.
 

What time is too late to take B12?

Because of its activating effects, B12 is not recommended close to bedtime. It won't necessarily act like caffeine, but if you're sensitive to supplements or have trouble winding down, it may disrupt your sleep cycle. Many people with low B12 experience: Brain fog.


Which vitamin is best for sleep?

Supplementing vitamin B6 may improve sleep quality and duration. A 2019 study also found that taking a supplement of magnesium, melatonin, and vitamin B complex for 3 months improved sleep and helped treat insomnia.

Is B12 good for uric acid?

Both vitamin B12 and folic acid function in counteracting this toxicity; however, B12 is somewhat more effective. 3. Addition of 6 or 9% glycine to the diet increased blood uric acid levels. Folic acid tended to decrease these high levels of uric acid in the blood.

What organ is amlodipine hard on?

Outcome and Management. The severity of liver injury from amlodipine ranges from mild and transient serum enzyme elevations to self-limited jaundice. Complete recovery is expected after stopping the drug and recovery is usually rapid (4 to 8 weeks).


What are the worst blood pressure drugs to take?

There aren't universally "worst" blood pressure drugs, but some older types like Alpha-2 agonists (e.g., clonidine) and Alpha-blockers (e.g., doxazosin) are less recommended as first-line treatments due to significant side effects (drowsiness, rebound hypertension) and potential blood pressure variability, while drugs like NSAIDs (ibuprofen, naproxen), decongestants, corticosteroids, and certain antidepressants can actually raise blood pressure, making them problematic for hypertensive patients. Always consult your doctor about medications, as the "worst" depends on your individual health, but newer options like ACE inhibitors, ARBs, CCBs, and thiazide diuretics are often preferred.
 

Why should amlodipine be taken at night?

Some studies have found that taking medications like amlodipine in the evening helped lower blood pressure better than morning doses. Other studies have found that nighttime doses cause blood pressure to drop too low overnight.

What cancels out B12?

There is general consensus that gastric acid–lowering drugs, including proton pump inhibitors (PPIs) and H2-receptor antagonists (H2RAs), and the antidiabetes drug metformin can reduce circulating vitamin B-12 concentrations with prolonged use.


What food is highest in B12?

The foods highest in Vitamin B12 are organ meats (like liver and kidney) and shellfish (especially clams), offering thousands of percent of the daily value in small servings, with fortified cereals, dairy, fish (salmon, tuna, sardines), and eggs also being excellent sources. For vegans, fortified foods like nutritional yeast and plant milks are key, as B12 is naturally found in animal products.
 

Who should avoid taking B12?

They need to know if you have any of these conditions:
  • Anemia.
  • Kidney disease.
  • Leber's disease.
  • Malabsorption disorder.
  • An unusual or allergic reaction to cyanocobalamin, cobalt, other medications, foods, dyes, or preservatives.
  • Pregnant or trying to get pregnant.
  • Breast-feeding.


What is the best vitamin B12 for seniors?

For seniors needing B12, top supplements include Nature Made, Nature's Bounty, Thorne, and options from Pure Encapsulations, with sublingual (dissolving) tablets, gummies, or liquids often best for absorption; however, consulting a doctor is crucial as personalized needs vary, and supplements should complement a balanced diet, not replace it. Focus on forms like methylcobalamin or convenient sublinguals/gummies to aid absorption, with dosages around 1000 mcg or more if deficient, but always get medical advice first.
 


How much B12 is in canned tuna?

A single can of tuna provides a substantial amount of Vitamin B12, often meeting or exceeding the daily recommended intake (around 1.5 mcg for adults), with figures ranging from roughly 2.5 to over 4 micrograms (mcg) or even more depending on the type and serving size, making it an excellent source. For example, a 3-ounce serving might have about 2.5 mcg, while larger servings or specific types can offer much higher amounts, with some sources showing 175% or more of the Daily Value (DV) in a cup. 

Should people over 70 take B12?

If you are an older adult, you should be taking a supplement for B12 as well as trying to incorporate B12 into your diet. It is vital for good health and cognitive functioning. Studies continue to show all the ways it is beneficial for your overall health.