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  • Les aliments riches en vitamine B9 : Pourquoi et comment en consommer ?
  • Vitamin B9-Rich Foods: Why and How to Eat More


    Vitamin B9, also known as folic acid, is essential for healthy cell formation and proper nervous system development. Here, you’ll learn where to find it in your diet, how to prevent deficiency, and a lovely way to switch things up with our Organic Ceremonial Matcha.

    Reading time: 8 minutes

    What is vitamin B9 (folic acid)?

    Definition and key functions

    Vitamin B9 (folate) is a water-soluble vitamin that plays a vital role in DNA synthesis and the formation of blood cells. It also supports tissue repair and is especially important during pregnancy to help prevent neural tube defects.

    Folate-rich fruits

    Why is it so important?

    1. Red blood cell production

    Without enough folate, red blood cells may not form properly, potentially leading to megaloblastic anaemia with fatigue and shortness of breath.

    2. Cell growth and repair

    Essential for cell growth and tissue division, it supports periods of rapid development: pregnancy, childhood, and adolescence.

    3. Nervous system protection

    It contributes to the healthy formation of the neural tube in early pregnancy and supports brain function in adults, helping maintain cognitive and mood balance.

    Where to find it on your plate

    Leafy green vegetables

    Spinach, kale, and Swiss chard can provide around 100 µg of folate per 90 g cooked portion (about 25% of RI).

    Legumes

    Lentils, chickpeas, and kidney beans can provide up to 180 µg per cooked cup (about 45% of RI), plus fibre and plant protein.

    Citrus fruits

    Oranges and grapefruit provide around 40 µg per fruit (about 10% of RI) and also bring vitamin C, which supports iron absorption.

    Avocados

    Half an avocado provides around 60 µg (about 15% of RI), along with heart-friendly monounsaturated fats.

    Nuts, seeds, and fortified cereals

    Sunflower seeds and almonds contain folate, while some fortified cereals can cover 100% of RI in a single serving.

    Beetroot and liver

    Beetroot provides about 109 µg/100 g (27% of RI), and chicken liver about 580 µg/100 g (145% of RI)—best enjoyed in moderation.

    Quick summary table

    Food Folate (µg/serving) % RI
    Cooked spinach (90 g) 100 25%
    Cooked lentils (1 cup) 180 45%
    Medium orange 40 10%
    Half an avocado 60 15%
    Chicken liver (100 g) 580 145%

    Needs and deficiency

    Recommended daily intake

    Adults often aim for 400 µg/day, and pregnancy typically 600 µg/day. Supplementation may be advised before and during pregnancy.

    Signs of deficiency

    Fatigue and anaemia

    Megaloblastic anaemia can show up as fatigue, paleness, and shortness of breath.

    Digestive changes

    Diarrhoea and bloating can sometimes appear when folate intake is low, as intestinal cell renewal is affected.

    Cognitive changes

    Difficulty concentrating, memory issues, or irritability may point to a slow-building deficiency.

    How to get more in your day

    Prioritise leafy greens, legumes, and citrus fruits regularly. For a refined addition to your routine, enjoy a cup of Organic Ceremonial Matcha, which can complement your day with plant nutrients and antioxidants.

    Conclusion

    Vitamin B9 supports energy, nervous system health, and healthy cell growth. By diversifying your food sources—and adding a quality organic matcha when it suits you—you can better meet your needs and reduce the risk of deficiency.

    FAQ: Vitamin B9 (folic acid)

    What are the main roles of vitamin B9?

    It supports DNA synthesis, red blood cell formation, and nervous system health.

    Which foods are the best sources of B9?

    Spinach, lentils, citrus fruits, avocados, sunflower seeds, and chicken liver.

    What daily intake is recommended?

    About 400 µg for adults and 600 µg during pregnancy (common recommendations).

    What are the signs of deficiency?

    Fatigue, anaemia, digestive changes, and difficulty concentrating can be signs of low folate intake.

    Does matcha contain vitamin B9?

    It can contribute in a modest way; our organic ceremonial matcha is a simple option to complement your routine with plant nutrients and antioxidants.

    A la recherche d'un Matcha de qualité ?

    Chez Matcha Matcha, nous vous proposons un Matcha de grade ceremonial ramassé à la main au Japon et issu d'une agriculture biologique.