Fertility, weight and women's health

Candidiasis: how food can help

Less added sugar and suitable choices to support treatment.

  • 6 min read
  • By Dra. Daniely Catharino Tooley
  • Reviewed in September 2026

Looking after your diet is a way to support metabolic, gut and immune health during candidiasis treatment. The goal is to build a nourishing, sustainable routine, with less added sugar and choices suited to each person's needs.

In short

  • Nutrition complements medical treatment: it does not replace antifungal medication.
  • Reducing added sugars helps, but you don't need to cut out all carbohydrates.
  • There's no reason to exclude gluten, dairy or fermented foods just because you have candidiasis.
  • Never insert garlic, yogurt, oils or home-made preparations into the vagina.

01

What is candidiasis?

It is an infection caused by fungi of the Candida genus, which can be present in the body without causing disease. Infection occurs when these fungi multiply and cause symptoms. It can affect the genital area, the mouth or the skin. This content focuses on vulvovaginal candidiasis.

Itching, burning and discharge alone do not confirm the diagnosis: other conditions can cause similar symptoms. The first step is to seek a medical assessment and follow the prescribed treatment. Nutrition acts as complementary care.

02

What's the link with sugar?

Candida uses sugars in its metabolism, but this doesn't mean that eating a sweet causes candidiasis or that cutting out all carbohydrates will eliminate the infection. The most consistent clinical link is with poorly controlled diabetes: high blood glucose can favor infections and make treatment less effective.

Reducing added sugars helps organize your diet and blood sugar control. However, the evidence that an “anti-candida diet” cures or prevents episodes is limited. Candidiasis is not the fault of the person who has it and can occur even with a balanced diet.

03

How to organize your meals

What to remove from your routine or cut back on significantly:

  • Soft drinks, sugary drinks, energy drinks and sweetened coffees.
  • Frequent sweets, candy, cream-filled cookies, desserts and cakes.
  • White, brown or demerara sugar, honey and syrups used for sweetening: all contribute free sugars.
  • Juices, even natural ones, as a regular drink: choose water and whole fruit.
  • Too much white bread, refined pasta and large portions of tapioca, especially when they replace complete meals.
  • Alcoholic drinks: it's best to avoid them during treatment, especially if there is guidance related to your medication.

What should be on your plate:

  • A variety of leafy greens and vegetables every day.
  • Protein at meals: eggs, fish, chicken, lean meat, beans, lentils or chickpeas, according to tolerance.
  • Carbohydrates in measured portions: brown rice, oats, quinoa, potatoes and other tubers, combined with protein and vegetables.
  • Whole fruit in appropriate portions: there's no need to exclude all fruit.
  • Olive oil, avocado, seeds and nuts in amounts that fit your eating plan.
  • Water throughout the day and fiber introduced gradually.

A practical reference for lunch and dinner is to fill half the plate with leafy greens and vegetables, a quarter with protein and a quarter with sources of carbohydrate. Beans and other legumes can be part of this combination. Amounts need to be individualized.

Do you need to cut out gluten, dairy and fermented foods? There's no reason to remove these groups just because you have candidiasis. Restrictions should consider allergies, celiac disease, intolerances and individual assessment. Unsweetened plain yogurt can be part of the diet if tolerated, but it is not equivalent to antifungal treatment. Baker's yeast is not the same fungus that causes candidiasis.

04

Natural strategies: what to consider

Oregano and compounds with antifungal potential

Oregano contains carvacrol and thymol, compounds that have shown activity against Candida in laboratory studies. This does not prove that the herb, tea or oregano oil treats candidiasis in people. In your meals, use oregano as a seasoning for vegetables, eggs, chicken and home-made sauces. Garlic, rosemary and cinnamon can also add variety to your dishes, without being presented as medicine or a cure.

Caprylic acid, lauric acid and coconut oil

These compounds are studied for their antifungal potential, mainly under experimental conditions. There is not yet enough clinical evidence to recommend them as a treatment for vulvovaginal candidiasis. Coconut oil should not be eaten in high doses or applied to the intimate area for this purpose.

Nutrients to support the body's defenses

Protein, zinc, selenium and vitamins A, C and D are involved in immune function. The focus is on adequate intake and correcting deficiencies when identified, without promising a direct antifungal effect. Include a variety of sources: protein and zinc in meat, eggs and legumes; vitamin C in fruit and vegetables; carotenoids in carrots, pumpkin and leafy greens. Vitamin D needs should be assessed individually. Iron, copper and other minerals should not be supplemented without an indication.

Fiber and probiotics

Oats, vegetables, fruit and legumes provide fiber for gut health. Inulin and psyllium should be adjusted to your tolerance. Probiotics may be considered depending on the assessment, but there isn't enough evidence for them to replace candidiasis treatment. Gas and constipation, on their own, do not diagnose “intestinal candidiasis”.

Essential oils are concentrated: don't swallow them on your own or apply them to the vulva or vagina. Also avoid sitz baths with tea tree and other essential oils, which can cause irritation and injury. Extracts and supplements require professional assessment, especially during pregnancy and breastfeeding.

05

A day of balanced eating

An educational example, which should be adapted to each person's needs, allergies, preferences and clinical conditions.

Breakfast
Scrambled eggs with tomato and oregano, a slice of whole-grain bread and unsweetened coffee or tea.
Lunch
Mixed salad, vegetables, chicken or fish, and a measured portion of brown rice and beans.
Snack, if hungry
Unsweetened plain yogurt with fruit and seeds, or fruit with a small portion of nuts.
Dinner
Vegetable omelet, salad and a portion of potatoes or quinoa, as needed.
Drinks
Water as your main option. There's no need for “antifungal” juices or teas to eliminate Candida.

06

Care that goes with your diet

Change out of wet clothes after exercise and avoid vaginal douches and scented intimate products.

Don't insert garlic, yogurt, oils or home-made preparations into the vagina.

Take care of yourself with an individualized plan

Recurrent candidiasis deserves investigation. In the nutrition consultation, I assess your diet, routine, gut health and relevant tests to create a personalized plan, together with any necessary medical follow-up.

Book a consultation

Dra. Daniely Catharino TooleyClinical, functional and orthomolecular nutritionist · CRN3/6794

References (3)+
  1. CDC. Vulvovaginal Candidiasis, STI Treatment Guidelines (2021).
  2. Farr et al. Guideline: Vulvovaginal candidosis. Mycoses, 2021. DOI: 10.1111/myc.13248.
  3. Cleff et al. In vitro activity of Origanum vulgare essential oil against Candida species. Braz J Microbiol, 2010. PMID: 24031471.

Educational content for adults. This guidance does not replace an individual consultation, diagnosis or treatment.