Health Benefits Of Chlorella: 11 Reasons To Add This Superfood

A nutrient-dense superfood packed with antioxidants and omega-3s for all-around vitality.

By Medha deb
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Chlorella is a single-celled green alga recognized as a “superfood” for its dense nutritional profile and numerous health-promoting properties. From detoxifying the body at a cellular level to aiding in skin and hair health, chlorella’s benefits are widely supported by science and traditional use. Below, explore the top reasons to consider adding chlorella to your daily regimen.

What Is Chlorella?

Chlorella is a freshwater, nutrient-packed microalga loaded with protein, antioxidants, omega-3 fatty acids, fiber, and vitamins. Its dense cell wall requires special processing to unlock absorption, but once accessed, it delivers impressive health advantages.

1. Supports Weight Management and Boosts Metabolism

Chlorella is known to help regulate weight by positively influencing metabolism. Its high protein and fiber content

  • Promotes a feeling of fullness, reducing overeating.
  • Supports digestion and regularity by enhancing gut health.

Emerging studies suggest chlorella supplementation may help control body fat and cholesterol, contributing to healthier body composition over time.

2. Improves Cardiovascular Health

Through its impact on cholesterol, blood pressure, and blood lipid profiles, chlorella is a heart-friendly superfood.

  • Daily consumption may lower total and LDL cholesterol levels by binding dietary fats and supporting excretion.
  • Clinical trials show improvement in blood pressure among individuals at risk for cardiovascular disease.


Chlorella contains carotenoids such as lutein, which help treat macular disorders and aid in lowering blood cholesterol.

3. Enhances Liver Health

Due to its detoxification properties, chlorella supports optimal liver function.

  • Binds and helps excrete toxins and heavy metals, lessening liver workload.
  • May help prevent severe liver ailments, including non-alcoholic fatty liver disease, when consumed regularly.

4. Promotes Cellular Detoxification

Chlorella excels at promoting cellular detox thanks to its unique cell wall properties.

  • Binds toxic compounds and heavy metals at a cellular level.
  • Facilitates their safe excretion, aiding systemic detoxification.

This cellular cleanse protects organs and supports overall longevity.

5. Fights Inflammation & Strengthens The Immune System

Chlorella is rich in antioxidants and bioactive compounds that modulate immune response:

  • Contains vitamin C, vitamin E (tocopherol), and carotenoids that reduce oxidative stress.
  • Promotes immune regulation by enhancing macrophage activity for defense against bacteria and viruses.
  • May help manage symptoms of premenstrual syndrome (PMS) and boost tissue repair.

6. Can Help Fight Candida

Chlorella’s prebiotic fiber and beta-glucan content encourage the growth of friendly gut bacteria:

  • Improves effectiveness of antibiotics, reducing need for multiple prescriptions.
  • Enhances immune cells (macrophages) that destroy the Candida virus for improved oral and digestive health.

7. Combats Acne And Promotes Skin Health

Skin benefits of chlorella come from its powerful anti-inflammatory and wound-healing capacities:

  • Inhibits growth of Propionibacterium acnes, the main acne-causing bacteria.
  • Reduces enzymes causing skin inflammation, potentially delaying skin aging.
  • Accelerates wound healing and reduces appearance of wrinkles.

8. May Reduce Body Odor

Preliminary studies and anecdotal reports suggest chlorella helps eliminate body odor and freshens breath by:

  • Supporting detoxification and removal of odor-causing substances.
  • Improving gut microbiota balance, which influences body-wide aromas.

9. Aids In Cancer Prevention

Research into chlorella’s anti-cancer effects highlights promising mechanisms:

  • Induces apoptosis in cancer cells by generating reactive oxygen species (ROS), thanks to high chlorophyll content.
  • Helps starve tumors by consuming glucose and alleviating hypoxia in tumor environments.


Chlorella’s oxygen-generating ability promotes tumor suppression and reduces proliferation.

10. Facilitates Diabetes Management

Chlorella may be beneficial for blood sugar regulation:

  • Helps lower blood glucose and modulate hormone levels.
  • Prevents formation of advanced glycation end products (AGEs) that worsen diabetes symptoms.
  • Often works synergistically with spirulina for enhanced benefits.

11. Can Boost Hair Growth

Chlorella is a potent source of vitamin B12, selenium, zinc, and calcium, crucial for robust hair health:

  • Addresses deficiency-linked hair loss and encourages hair growth.
  • Makes hair appear shinier and softer with consistent use.

Some cosmetic products now infuse chlorella for its proven hair and scalp benefits.

Nutrition Table: Chlorella’s Key Nutrients

NutrientContent (per 100g)
Protein~60g
Fiber~2g
Vitamin B12High
Omega-3 Fatty AcidsSignificant
ChlorophyllHigh
Selenium, Zinc, CalciumAbundant

Chlorella Vs. Spirulina

FeatureChlorellaSpirulina
Cell StructureTough cell wall, requires processingSoft cell wall, easy to digest
Vitamin B12High (active form)Low/trace
ChlorophyllHigher contentModerate
DetoxificationSuperior heavy metal bindingGeneral support
Protein~60%~60%-70%

While both are excellent sources of protein, antioxidants, and certain micronutrients, chlorella stands out for detoxification and vitamin B12, whereas spirulina offers slightly higher digestibility and is known for its anti-inflammatory properties.

Side Effects And Precautions

Despite its advantages, chlorella is not suitable for everyone. Risks include:

  • Allergic reactions: Especially concern for those sensitive to mold or with iodine allergies.
  • Digestive issues: Possible mild nausea, gas, or bloating.
  • Pregnancy caution: Lack of enough human studies warrants care during pregnancy.
  • Drug interactions: May alter the effect of certain medications; consult your physician before supplementing.
  • Autoimmune concerns: May overstimulate immunity and aggravate conditions in susceptible individuals.

Infographic: DIY Chlorella Recipes For Skin And Hair

Chlorella Face Mask Recipe

  • Mix 1 tsp chlorella powder with yogurt and honey.
  • Apply to clean face, leave for 15 minutes, rinse off with warm water.
  • Helps combat acne and soothes inflammation.

Chlorella Hair Pack Recipe

  • Blend 1 tsp chlorella with coconut oil and aloe vera gel.
  • Massage into scalp, leave for 30 minutes, wash thoroughly.
  • Supports hair growth and strengthens follicles.

Frequently Asked Questions (FAQs)

Where to buy chlorella?

Chlorella is widely available at health food stores, pharmacies, and online supplement shops.

What is the chlorella growth factor?

The chlorella growth factor is a water-soluble extract containing amino acids, proteins, sugars, vitamins, peptides, and nucleic acids. Most chlorella supplements in the US are based on these extracts.

Can you take chlorella and spirulina together?

Yes. Consuming both together may amplify the health benefits, supplying abundant protein, antioxidants, and vitamins.

Can I take chlorella with medication?

Certain medications can interact with chlorella; always consult your doctor before starting supplements alongside prescribed drugs.

Is chlorella a good source of dietary fiber?

Yes. Chlorella is a green alga that contains around 2g of fiber per 100g, helping preserve digestive health by regulating bowel movements and preventing constipation.

Takeaway: Should You Add Chlorella To Your Diet?

Chlorella’s broad spectrum of nutrients and health-promoting effects — from detoxification and immune regulation to improved liver, skin, and hair health — make it an excellent addition to a balanced diet. However, those with existing health conditions, allergies, or who are pregnant should consult a healthcare provider before incorporating chlorella into their regimen.

Medha Deb is an editor with a master's degree in Applied Linguistics from the University of Hyderabad. She believes that her qualification has helped her develop a deep understanding of language and its application in various contexts.

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