Can I take iron tablets with b12 injections?

Yes, you can take iron tablets with B12 injections, but you should space them out, ideally by at least 2 hours, because iron can interfere with B12 absorption if taken simultaneously, though B12 injections bypass the digestive system, reducing direct interaction risks. It's best to consult your doctor for personalized timing, as both are crucial for red blood cell production, and timing can also help manage potential stomach upset from iron.

Can iron and B12 be taken together?

Yes, you can take iron and vitamin B12 together, as they often work in conjunction for red blood cell formation, but timing is key for optimal absorption; separate them by at least 2 hours, taking iron with Vitamin C (which boosts iron absorption) and B12 on its own, ideally on an empty stomach to avoid interference and potential stomach upset. 

What not to take with B12 injections?

Possible interactions include:

• Aminosalicylic acid (Paser). ...
• Antiseizure medicines. ...
• Colchicine (Colcrys, Mitigare, Gloperba). ...
• Metformin (Glumetza, Fortamet, others). ...
• Gastric acid inhibitors. ...
• Vitamin C (ascorbic acid) supplements. ...
• Bile acid sequestrants (cholestyramine).

What medication can you not take with iron tablets?

Cautions with other medicines

• iron injections, or supplements containing iron, calcium, magnesium or zinc.
• antacids or other indigestion remedies.
• antibiotics such as oxytetracycline, doxycycline, ciprofloxacin or chloramphenicol.
• antivirals used for HIV infection such as bictegravir or dolutegravir.

When is the best time to take vitamin B12 and iron?

For best results, take Vitamin B12 in the morning with food (or a B-complex) for energy, and take Iron on an empty stomach with Vitamin C (like orange juice) for better absorption, ideally an hour before or two hours after meals, but take it with a meal if it causes nausea, avoiding dairy and calcium-rich foods.
 

Vitamin B12 Injections - Everything you need to know with Dr Mandy

How long does it take for vitamin B12 and iron to work?

It may take a few weeks before your vitamin B12 levels and symptoms (such as extreme tiredness or lack of energy) start to improve. If you have hydroxocobalamin injections to boost your vitamin B12 levels at the start of treatment, the cyanocobalamin tablets may start to work within a few days.

When to take iron, morning or night?

You should generally take iron in the morning on an empty stomach, about 30 minutes before or 2 hours after meals, for best absorption, but taking it at night can work if morning is difficult, though absorption slows during sleep. Avoid taking it with calcium, antacids, coffee, or tea, and consider alternating days for better absorption and fewer side effects, always checking with a doctor first. 

What cancels out iron supplements?

Foods and drinks that reduce your body's ability to absorb iron: Soy proteins can reduce absorption from plant sources. Tea, coffee and wine contain tannins that reduce iron absorption by binding to the iron and carrying it out of the body.

What are the signs of iron deficiency?

What are the symptoms of iron-deficiency anemia?

• Abnormal paleness or lack of color of the skin.
• Irritability.
• Lack of energy or tiring easily (fatigue)
• Increased heart rate (tachycardia)
• Sore or swollen tongue.
• Enlarged spleen.
• A desire to eat peculiar substances such as dirt or ice (a condition called pica)

Why can't you lay down after taking iron?

You can't lie down right after taking iron because the tablet can irritate your esophagus, causing heartburn or discomfort, so you need to stay upright for at least 10-30 minutes to let it travel to your stomach and prevent irritation, often taken with water for better passage. While some people take iron at night to sleep through side effects, the key is to avoid lying down immediately to prevent irritation and acid reflux. 

Why are doctors stopping B12 injections?

Coronavirus has made it necessary to move patients on B12 injections to oral treatment. Reason: RISK REDUCTION in terms of limiting your movement outside your home and contact with our staff and nurses. Nationally all NHS organisations will be stopping injections during this difficult time.

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 should I eat after a B12 injection?

You've had your B12 shot … what now? A high diet high in potassium helps your body to make the best use of B12, so you get optimum benefits. Foods high in potassium include bananas, tomatoes, avocados, sweet potatoes, and coconut water.

Is B12 important for iron absorption?

Vitamin B12, together with vitamin B6 and folate, ensure the absorption of iron. In disorders of the stomach and/or intestines, like auto-immune gastritis, a deficiency of several vitamins and/or minerals may occur and should be monitored.

What vitamin should you not mix with iron?

You should avoid taking iron supplements with high doses of calcium, zinc, and magnesium simultaneously, as they compete for absorption; also, space them out from antacids, milk, caffeine, and high-fiber foods, while taking iron with Vitamin C (like orange juice) can actually help absorption, but be cautious with high-dose Vitamin C if you have iron overload. 

How long does it take to correct iron deficiency?

Correcting iron deficiency takes time: symptoms may improve in weeks, but it generally takes 2-3 months to normalize hemoglobin levels and 4-6 months (or longer) to fully replenish the body's iron stores, requiring consistent supplementation to rebuild reserves depleted by anemia. The underlying cause of the deficiency, like heavy periods or internal bleeding, must also be addressed. 

What do you crave when your iron is low?

When you have low iron, you often crave non-food items like ice, clay, or dirt (pica), but also sometimes foods like red meat, salt, or even mint, as your body tries to replenish essential minerals, with ice chewing (pagophagia) being a common sign, according to the American Medical Association (AMA) and Mayo Clinic. These unusual cravings, especially for ice, often improve once the iron deficiency is treated.
 

What are the red flags of iron deficiency anemia?

Symptoms of iron deficiency anaemia

tiredness and lack of energy. shortness of breath. noticeable heartbeats (heart palpitations) paler than usual skin.

What do iron deficiency eyes look like?

Low iron (anemia) can make eyes look pale and dull, especially the inner lower eyelid, which appears pale pink or yellowish instead of vibrant red due to less oxygenated blood; other signs can include a bluish tint to the whites of the eyes (sclera) or dark circles, as the body struggles to deliver oxygen and nutrients, causing overall lacklustre appearance and potential blurriness.
 

What are the mental symptoms of low iron?

Iron deficiency can cause significant mental symptoms like fatigue, brain fog, poor concentration, irritability, anxiety, and depression, stemming from reduced oxygen to the brain and impacts on neurotransmitters (dopamine, serotonin) crucial for mood and cognition. Other signs include headaches, restlessness, reduced motivation, and unusual cravings (pica), mimicking or worsening psychiatric conditions.
 

What pulls iron out of the body?

To remove excess iron, the body naturally sheds small amounts through sweat, skin/hair loss, and menstruation, but for significant overload (like hemochromatosis), medical interventions are key: phlebotomy (blood removal) and chelation therapy (medications like deferoxamine/deferasirox that bind iron for removal via urine/stool) are used, while diets with tea, coffee, soy, and whole grains can reduce absorption.
 

Does iron affect sleep?

Yes, iron significantly affects sleep; iron deficiency (anemia) is strongly linked to poor sleep quality, insomnia, and Restless Legs Syndrome (RLS) due to iron's role in oxygen transport and dopamine regulation, which impacts the sleep-wake cycle, so addressing low iron through diet or supplements (with doctor guidance) can improve sleep. 

What helps iron absorb better?

To boost iron absorption, pair iron-rich foods with Vitamin C (citrus, peppers, broccoli) and heme iron sources (meat, fish, poultry), which dramatically help plant-based (non-heme) iron uptake, while avoiding inhibitors like coffee, tea, and calcium-rich dairy during meals. Cooking in a cast-iron skillet and properly preparing legumes (soaking/sprouting) also aids absorption, as your body absorbs more iron when stores are low.
 

How long after an iron tablet can I eat?

You should generally take iron on an empty stomach, waiting 1 hour before or 2 hours after meals, but if it causes an upset stomach, take it with a small meal, avoiding dairy, caffeine, or high-fiber foods around that time as they hinder absorption; taking it with Vitamin C (like orange juice) boosts absorption.