Brewer's yeast is a yeast rich in B vitamins, minerals and amino acids. Taken as a food supplement, it is valued for supporting the beauty of hair, skin and nails. For hair, inactive brewer's yeast is most often chosen, as it is better tolerated. In this article, we explain what it contains, how to choose it and the precautions to be aware of.
What is brewer's yeast?
Brewer's yeast, or Saccharomyces cerevisiae, is a microscopic fungus. Its name comes from the Greek saccharo (sugar) and myces (fungus), and from the Latin cerevisiae (beer).
It is found naturally in the air, in soil, on fruit, cereals and plants. It is also one of humanity's oldest allies: it has been used since Antiquity to make bread and beer, long before the principle of fermentation was understood.
Nutritionally, brewer's yeast is a natural source of B vitamins, including biotin (vitamin B8), minerals and amino acids, the building blocks of proteins such as keratin.
Active or inactive brewer's yeast: which to choose?
Active or revivable brewer's yeast
It is dried at a low temperature, which keeps it alive. It is rich in B vitamins and minerals (potassium, iron, magnesium, calcium, copper, selenium). On the downside, it can cause bloating or gas in some people, especially at first.
Inactive brewer's yeast
Heated to a higher temperature, it is no longer alive, but it retains its vitamins and minerals. It is generally better tolerated by the digestive system. It's the one most often chosen to support the beauty of hair, skin and nails.
Good to know: JIA PARIS's NOM-COMPLEMENT food supplement contains inactive brewer's yeast.
What are the benefits of brewer's yeast for hair?
Brewer's yeast naturally provides nutrients your hair needs. Among them, biotin, zinc and selenium contribute to the maintenance of normal hair.
Your hair, like your nails, is mainly made of keratin, a protein. A diet sufficiently rich in protein, vitamins and minerals is therefore the foundation of healthy hair. Brewer’s yeast can complement it, but it does not replace a varied and balanced diet.
Nutrient amounts vary greatly from one product to another: always check your supplement's label.
And for hair growth?
No food supplement makes hair grow faster. Brewer's yeast can support a routine designed for healthy hair, but if you notice significant or sudden hair loss, consult a doctor or dermatologist: it can have many causes that deserve a professional opinion.
And for nails and skin?
Zinc and selenium contribute to the maintenance of normal nails. Biotin and zinc contribute to the maintenance of normal skin.
How to combine brewer's yeast with your hair routine?
A supplement works from the inside, your hair care works on the fiber: the two complement each other. For nourished, defined curls, pair your course with a suitable routine:
- the Curl Activating Gel to define your curls, from wavy to afro-textured;
- the Nourishing Smoothie to nourish thick curly, coily and afro-textured hair (types 3 and 4).
How should you take and store brewer's yeast?
The different forms
Brewer's yeast comes as capsules or tablets, to be swallowed with a glass of water, or as powder and flakes to sprinkle over your meals. The flakes can also be added to a homemade hair mask.
Storage
Store your brewer's yeast in a cool, dry place, away from heat and moisture, and reseal the packaging tightly after each use. Respect the best-before date indicated on the product.
What precautions should you know about?
- Active brewer's yeast can cause gas or bloating, especially in people with sensitive digestion. These effects often fade after a few days.
- Ask your doctor or pharmacist for advice before starting a course if you are undergoing treatment, in particular certain antidepressants, if you suffer from an inflammatory bowel disease, if your immune system is weakened, or if you are pregnant or breastfeeding.
- A food supplement is not a substitute for a varied and balanced diet or a healthy lifestyle.
FAQ: your questions about brewer's yeast for hair
Does brewer's yeast make hair grow?
No, no supplement makes hair grow faster. Brewer's yeast provides nutrients, such as biotin, that contribute to the maintenance of normal hair. If you experience significant hair loss, consult a healthcare professional.
Should you choose active or inactive brewer's yeast for your hair?
Inactive brewer’s yeast is usually preferred: it retains its vitamins and minerals and is better tolerated by the digestive system.
How long should a brewer's yeast course last?
Follow the duration and dosage indicated on the packaging. Hair renews itself slowly: it takes several weeks before you see a difference in the new growth.
Who should avoid brewer's yeast?
Ask your doctor or pharmacist for advice if you are undergoing treatment, particularly certain antidepressants, if you have inflammatory bowel disease or a weakened immune system, or if you are pregnant or breastfeeding.
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