Prune juice is the single best drink for anemia, delivering 3 mg of iron per cup, more than any other common beverage. But several other drinks can help, and what you drink alongside iron-rich foods matters just as much as the drinks themselves. The right combinations can double your iron absorption, while the wrong ones can block up to 90% of it.
Prune Juice: The Highest-Iron Option
One cup of prune juice provides about 3 mg of iron, making it the clear leader among iron-rich beverages. For context, adult men need 8 mg of iron per day, while women aged 19 to 50 need 18 mg and pregnant individuals need 27 mg. A single glass of prune juice covers a meaningful chunk of those targets, especially when combined with iron from food.
Prune juice also contains natural sugars and sorbitol, which means it has a mild laxative effect. If you’re taking iron supplements (which commonly cause constipation), this can actually work in your favor. Start with one cup a day and see how your body responds.
Beetroot Juice
Beetroot juice provides about 1 mg of iron per eight-ounce cup. That’s a third of what prune juice offers, but beet juice brings other benefits: it’s rich in folate, another nutrient your body needs to produce healthy red blood cells. A folate deficiency causes a different type of anemia where red blood cells grow too large and don’t function properly, so covering both iron and folate with a single drink is useful.
Beet juice has a strong earthy flavor that many people find easier to drink when blended with apple, carrot, or ginger. Mixing it into a smoothie with vitamin C-rich fruits also improves how much iron your body actually absorbs.
Green Smoothies: More Nuance Than You’d Expect
Blending leafy greens into a smoothie seems like an obvious choice, but the type of green you use matters more than you might think. Spinach, despite its reputation as an iron powerhouse, actually has the lowest iron bioavailability of common greens. Only about 6.6% of the iron in spinach is accessible to your body. Kale does better at 11.8%, and cabbage leads the pack at 16.2%.
The reason is that spinach contains high levels of oxalates, compounds that bind to iron and prevent your gut from absorbing it. Cabbage and kale have far fewer of these blocking compounds. If you’re making a green smoothie specifically to address anemia, swap the spinach for cabbage or kale as your base.
Adding citrus to a green smoothie significantly boosts iron absorption. Vitamin C converts plant-based iron into a form your body can use more easily. A handful of strawberries, a squeeze of lemon, or half an orange blended in will do the job. Research also suggests that natural fruit sugars help increase iron uptake, so fruit-heavy green smoothies are a smart approach.
Orange Juice and Other Vitamin C Drinks
Orange juice doesn’t contain much iron on its own, but it plays a critical supporting role. Drinking a glass of orange juice with an iron-rich meal helps your body pull more iron from food. This is especially important if you eat plant-based sources of iron like beans, lentils, or fortified cereals, because plant iron is harder to absorb than iron from meat.
Any vitamin C-rich juice works here: grapefruit, tomato, or even lemon water. The key is timing. Drink it with or just before your meal, not hours later.
Fortified Plant Milks: Check the Label
Many plant-based milks are fortified with iron, B12, and folate, all nutrients involved in red blood cell production. But the fortification levels vary wildly between brands. More than half of commercially available plant milks contain no vitamin B12 at all, while some provide a full day’s worth per serving. Only about 36% of plant milks on the market come close to matching the B12 content of cow’s milk.
If you’re relying on fortified almond, soy, or oat milk to help with anemia, read the nutrition label carefully. Look for brands that list iron and B12 in meaningful amounts, not just trace levels. Shake the container well before pouring, since fortified minerals can settle at the bottom.
One important caveat: calcium can inhibit iron absorption when both are consumed together. Most plant milks are also fortified with calcium, so drinking them at the same time as iron-rich foods or supplements can work against you. Separate your calcium-heavy drinks from your iron-rich meals by a couple of hours when possible.
What Not to Drink With Iron-Rich Meals
This is where many people unknowingly sabotage their iron intake. Coffee and tea contain polyphenols and tannins that dramatically reduce how much iron your body absorbs from food.
The numbers are striking. Drinking tea during a meal reduces iron absorption by 64%. Coffee with a meal can cut absorption by 39% to 90%, depending on what you’re eating. Just 25 mg of tannin consumed with food blocks 67% of iron absorption, and 100 mg blocks 88%. A single cup of black tea easily delivers that much.
The fix is simple: shift your coffee and tea away from mealtimes. Drinking coffee an hour before a meal has no measurable effect on iron absorption. The same applies to tea. If you enjoy a hot drink, have it between meals, at least an hour before or after eating anything iron-rich. This single habit change can make a bigger difference than adding any iron-rich beverage to your routine.
A Practical Daily Approach
No single drink will resolve anemia on its own. Drinks work best as part of a broader strategy that includes iron-rich foods and smart timing. Here’s what a practical day might look like:
- Morning: A cup of prune juice or a green smoothie made with kale, banana, and orange juice
- With meals: A glass of vitamin C-rich juice alongside iron-rich foods like beans, lentils, or fortified cereal
- Between meals: Coffee or tea, kept at least an hour away from iron-containing foods
- Evening: Beetroot juice or a second serving of prune juice if your iron needs are high
Women of reproductive age need more than twice the iron that men do (18 mg vs. 8 mg daily), and pregnant individuals need 27 mg. At those levels, drinks alone won’t close the gap. They’re a useful supplement to iron-rich foods and, if your doctor has recommended them, iron supplements. Pairing those supplements with a glass of orange juice rather than coffee can meaningfully change how much iron your body actually retains.