Klaire Labs

Edited and medically reviewed by ✔️ Team of BestInSupplements | Written by Mina Caudhari

Klaire Labs created an extensive line of wellness supplements, speciality formulated to meet the demands of any health need. Whether it’s for clarity and cognition; practice essentials; probiotics and prebiotics; pregnancy and nursing; mood and mental well-being, find the best for you here.

Best Klaire Labs Supplements

Klaire Labs is a well-reviewed brand and a pioneer in producing professional-level goods related to nutrition and health. The brand came into effect in the year 1969 to provide the very best health-related products. With the constant guidance of a team of professionals, the company strives to produce products that will benefit the users to the best of its abilities. Klaire Labs makes these products in a cGMP manufacturing plant in the USA. Almost all of its products are hypoallergenic and completely safe to use.

Take your time to read this list: The Best Brain Supplements You Can Buy

Klaire Labs supplements are medicinal-grade formulations made under the cleanest and most hygienic conditions. These supplements get made with herbs, minerals, vitamins, plant products, amino acids, and enzymes. Each of these products undergoes rigorous testing for complete safety. The company tries to make the products to suit the user's needs as much as possible.

Types of Klaire Labs Supplements You Can Find

We have divided these supplements into different categories according to various aspects of health. These are:

Clarity and Cognition

As the name suggests, the supplements under this category are products meant for better mental health, thinking, and memory. These products are mainly used in conditions such as aging memory loss and for a healthy brain. Different plant formulas get used in making these products. These include fatty acids, vitamins, and minerals, which improve the thinking ability and help with the thought process.

Practice Essentials

These are the formulations meant for daily use, especially for deficient nutrients and improving the immunity of an individual. These formulations may also work as per the condition of the user. These include digestive enzymes, magnesium, omega-3 fatty acids, curcumin, Vitamin D, and multivitamins.

Probiotics and Prebiotics

This category of Klaire Labs Supplements are those that provide a better ability to digest foods. These also give an extra boost of nutrients that may be lacking in a person's daily diet. These probiotics and prebiotics may also help in maintaining the weight of a person.

Klaire Labs Probiotic Reviews, Ingredients, Does It Work?
Our review of Klaire Labs Probiotic goes over all the details of this product, including its safety, ingredients, health benefits, and more.

Pregnancy and Nursing

The products under this category are designed especially for expecting and nursing mothers. These supplements provide immunity, make the body strong, and nourishes the mother. These supplements also help to provide for any deficient nutrients for the mother. These are safe for both the mother and the child.

Mood and Mental Well-being

These products include substances that can help improve a person's mental state. They do this by providing assistance to the neurotransmitters in the brain and maintaining the healthy working ability of nerves and the brain.

Thus the supplements produced by this brand serve the overall health and well-being of an individual.

8 Best Klaire Labs Supplements You Can Buy

Klaire Labs has a large variety of supplements and here we present the best selling products of this brand. All of these items are well-reviewed and well-loved by the users. These products all fall into different categories and are known to provide various kinds of benefits, depending on what the product is able to do.

Here are the 8 best Klaire Labs supplements that you should know:


The Acetyl-L-Carnitine capsules's main aim is to provide slow and healthy aging of the brain and good nerve function. In the human body, L-carnitine, a type of amino acid, makes Acetyl-L-carnitine. This substance helps to burn body fat into energy so that individual cells can utilize it. It also forms the building blocks for acetylcholine, a neurotransmitter, and thus helps in carrying information across the nerves.

Review of Klaire Labs Acetyl-L-Carnitine

The acetyl portion also helps to better transport through the blood-brain barrier. It is also necessary for the heart, brain functions as well as muscle movement. These capsules have also been shown to help treat pain caused by peripheral nerve diseases or dysfunctions 1. They also work as antioxidants and help fight against oxidative stress in the body.

These capsules are available as 500 mg formulations contained in a vegetable capsule. It is easily available and can be consumed readily by the body.

So if you suffer from any nerve pains or would like to keep your brain healthy, these Acetyl-L-Carnitine capsules might be the right product for you.

'C' Plus

'C' Plus capsules consist of a combination of ascorbic acid, ascorbyl palmitate, and bioflavonoids. The purpose of these capsules is to supplement the vitamin C in the body. These capsules contain Vitamin C in the form of L-ascorbic acid and L-ascorbyl palmitate. Citrus Bioflavonoid complexes of peel and fruit are also present in these capsules. A vegetarian capsule made of hydroxypropyl methylcellulose encapsulates all these substances into a single unit.

Review of Klaire Labs 'C' Plus Capsules

The body uses Vitamin C for making collagen, healing wounds, and as antioxidants 2. Collagen is the most common connective tissue in the body. Collagen wears down as the person gets older, making the skin looser and weakening the body. These capsules help to increase the production of collagen. These also improve immunity and regulate blood clots and blood flow mechanisms.

Vitamin C also helps to control and manage the level of sugar in the blood 3. Lack of Vitamin C in the diet for long periods can cause weakness, gum bleeding, problems in blood clotting, and poor wound healing. Vitamin C also works as an antioxidant, hence making the body feel more rejuvenated and healthy.

All of these work together to provide the optimum amount of Vitamin C in the body. Hence, if you are looking for an easy way to obtain the needed Vitamin C in your diet, this may be the supplement for you.

Active B complex

Active B Complex capsules are supplements made by combining all essential B vitamins. Heavy workloads with a sedentary lifestyle and an improper diet can cause a person to become sick.

Review of Klaire Labs Active B Complex

The lack of nutrients in the body can induce irreversible damages. To counter these conditions, the company has brought these Active B Complex capsules. These contain Thiamine, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Biotin, and Pantothenic acid. The body can directly absorb these vitamins and use them accordingly.

Thiamine is needed to produce energy by the metabolism of glucose and cell growth 4. Riboflavin contains two coenzymes: flavin mononucleotide and flavin adenine dinucleotide, both of which play roles in the production of energy, cell growth, and workings, and metabolism of fats 5. It can also help to decrease migraines 6. Niacin creates an oxidative reaction for energy generation. It also helps in DNA synthesis and cell repair. Niacin may also help to delay the aging of the brain 7. Vitamin B6 or Pyridoxine works to perform protein metabolism and plays a role in cognitive development 8. Folate's use is in the synthesis of nucleic acids and amino acid metabolism 9.

Vitamin B12 develops the nervous system 10. It also acts as an antioxidant. Biotin metabolizes fatty acids and helps in gene regulation 11. Pantothenic acid works for the degradation of fatty acids 12. A lack of the B vitamins in the diet can cause fatigue, headaches, weakness, lethargy, anemia, tingling sensations in hands and feet, etc.

Take a look at this alternative: Nature Made B12 Reviews, Ingredients, Does It Work?

Hence, If you would like to live healthily and care for your body, these all-in-one Vitamin B supplement capsules might be the perfect one for you.


These capsules contain a substance called L-5-Hydroxytryptophan (5-HTP) mixed with microcrystalline cellulose put into a vegetarian capsule. There is an addition of L-leucine and silicon dioxide. The 5-HTP capsules were made to protect the brain and improve the mood of a person. This product works by increasing the production of serotonin in the brain.

Review of Klaire Labs 5-HTP

5-HTP is a precursor to serotonin, an amino acid. Serotonin can control the frame of mind, contentment, happiness, learning, and retaining memory 13. It's used widely for the treatment of depression and anxiety disorders. The seeds of the plant Griffonia simplicifolia are used to make this product. This product has also shown to be effective in reducing allergic lung inflammations 14. These capsules also help to control appetite and aid in falling asleep.

The Klaire labs 5-HTP capsules are available in 50mg and 100mg formulations. As an effective treatment against mood disorders, these capsules may be able to help maintain the mental status of the brain and help you live a better lifestyle.

Klaire labs Vitamin D plus K

Klaire Labs has manufactured the Vitamin D plus K capsules with a combination of two fat-soluble vitamins, namely D and K. This combo form is easier to swallow and removes the hassle of taking multiple supplements.

Review of Klaire Labs Vitamin D Plus K

Cholecalciferol, a form of Vitamin D, helps absorb calcium from the intestines and controls calcium and phosphorus. It helps maintain healthy bones and muscles and keeps the body healthy 15.

The Vitamin K2 in this product is menaquinone-7. It is obtained from the flower extract of the sweet acacia tree. Vitamin K2 helps maintain the regulation of clotting of the blood in the body. It also helps to prevent the degradation of the bones in old age 16.

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These two also help in maintaining the immunity of the body. These capsules have 5000 IU of Vitamin D3 and 100mcg of Vitamin K2 mixed into a structure that is made of hydroxypropyl cellulose and water.

Hence, if you are tired of eating multiple supplements, this product may interest you.

Biotagen powder

Biotagen powder is a prebiotic formula to sustain and develop the microbes in the guts. It aims to increase immunity and allow better absorption from the bowel. It contains soluble dietary fiber with prebiotic activities that causes the growth of good bacteria.

Review of Klaire Labs Biotagen Powder

This product contains chicory root inulin, beta-glucan purified from Saccharomyces cerevisiae, and a water-soluble polysaccharide, Larch tree wood extract of Arabinogalactan. The chicory root inulin aims to provide nutrition to the gut's microorganisms. It also increases the number of good bacteria in the gut, such as Bifidobacterium, Lactobacillus, and Eubacterium.

These then help in digesting food and fending off harmful bacterias. This substance also enhances calcium and magnesium absorption. They also control the level of lipids as well as increase immune function 17.

Apart from these qualities, the Biotagen powder can also help in weight loss and help to control blood sugar 18. Beta-glucan increases immunity by making the body recognize many kinds of fungi and other dangerous microorganisms. It also increases the helpful bacteria in the colon 19. Larch Arabinogalactan is a great source of dietary fiber and enhances beneficial gut microflora 20. It also works as an antioxidant and helps reduce oxidative stress in the body.

Therefore, this product may help you to obtain good bowel health and make you stronger.


Osteothera was manufactured by Klaire labs as a calcium supplement especially meant for bone health. It contains vitamins and minerals for maintaining healthy bones including chelated calcium, Vitamin D and K, magnesium, and boron.

Review of Klaire Labs Osteothera

Made especially for pregnant women, Osteothera is an ideal combination of these vital components. There is a need for continuous energy supply to sustain both the mother and fetus during pregnancy. There may be a deficiency of different nutrients during pregnancy. Osteothera aims to decrease that deficiency by providing some of the vital minerals and vitamins.

Calcium is one of the most abundant minerals in our body. Its use is for muscle function, nerve transmission, and building up bones and teeth in the body 21. Vitamin D helps in the absorption of calcium from the intestines and helps maintain healthy bones and muscles. Vitamin K2 helps to prevent the breaking down of the bones.

Magnesium helps in the structural development of bones, produces energy, helps in the synthesis of RNA and DNA, transports calcium and potassium ions 22. Boron may help in calcium metabolism, bone formation, brain function, immunity, and functions of steroid hormones 23.

The combination of all these substances into a single capsule removes the hassle of taking many pills and might be an ideal supplement for you to take during pregnancy.


Acumen capsules are memory retaining capsules made from whole-plant extract. Made for supporting working memory and retaining memory, it contains the plant Bacopa Monnieri, also known as Bramhi.

Review of Klaire Labs Acumen

The Bramhi plant is native to India and has long been used in Ayurvedic medicine as a mind-sharpening plant. Bramhi decreases the effect of forgetting new information as a person ages 24. It has also shown to be helpful in the case of degradation of the memory in Alzheimer's disease 25.

These capsules are available as 320mg in a vegetarian capsule. Hence, if you are in search of a product that may help with your memory, these Acumen capsules might be the one for you.

These are the eight best Klaire Labs supplements. We hope for you to choose the supplement that suits you best and provide valuable feedback.

Klaire Labs
Klaire Labs has a huge number of supplements related to different categories: cognition, improvement of the immunity, probiotics, prebiotics, mood and mental well-being...

Frequently Asked Questions

Klaire Labs is a health supplement and nutraceutical company that specializes in probiotic nutritional therapy for people with chronic food allergies and sensitivity to the environment. They produce high-quality probiotic and enzyme supplements that are designed to optimize health outcomes.
Klaire Labs offers an extensive line of premium prebiotics and probiotics that are formulated to support the healthy function of both the gastrointestinal and immune systems. They also offer high-bioavailability vitamin and mineral supplements that are designed to effectively support health.
All of Klaire Labs' supplements are manufactured in an FDA-approved, cGMP-certified facility in Reno, Nevada (US). The brand is well-known in the nutraceutical health industry and utilizes third-party independent laboratories to test each one of their products for purity and quality.
Klaire Labs supplements can be returned unopened for a full refund within 30 days after purchase for any reason. You’ll need to contact customer support before returning a product. Returns of opened bottles received within 30 days after purchase will get account credit, but probiotics cannot be returned.
The official website of Klaire Labs health supplements and nutraceutical products can be found at www.klaire.com. Their website’s home page features their best-selling products, as well as drop-down menus for health category, product category, and all products.
You can contact Klaire Labs by filling out a contact form on Klaire Labs' official website at www.klaire.com. You can also reach their customer support line (toll-free) at +1-(888)-488-2488 or business number at +1-(775)-850-8800.


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