Kin Fertility Prenatal Review – Is It the Best Vitamin for Pregnancy?

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Kin Fertility Prenatal Overview

  • Key ingredients: Methylated folate, iron, omega-3
  • Where to buy: Online
  • Cost: $37-$40 per month
  • How to take: About three months before starting to try for a pregnancy, take two capsules daily
  • Possible side effects: Constipation, gas, and nausea

Kin’s prenatal vitamins are a supplement for pre-conception and pregnancy, formulated to support you and the health of the embryo/foetus. Having sold out multiple times, it’s an undeniably popular prenatal vitamin in Australia. But, it’s the clinically researched, highly bioavailable ingredients that have earned Kin’s prenatal vitamin our seal of approval.

The Kin Fertility Prenatal contains 12 essential ingredients that support the critical developmental stages of pregnancy, including methylated folate, iron, and omega-3. Kin uses bioavailable forms of these ingredients to ensure absorption, as well as optimal dosages to limit side effects. However, prenatal vitamins may still cause side effects in some people, such as constipation, gas, and nausea.

Our Kin prenatal vitamin review will provide a complete overview of Kin, the research behind its prenatal vitamin, possible side effects, how it compares to other brands, and more.

Our Quick Take

Kin is around the midway point in terms of affordability for prenatal vitamins. We especially like that they offer highly bioavailable forms of essential nutrients in just the right dosage that are aimed at decreasing possible side effects, such as stomach pain and fishy burps that can sometimes accompany prenatal vitamins. We also love that it comes in a vanilla flavour, a nice touch that not all prenatal vitamins offer.

Kin Fertility Prenatal Pros + Cons


  • Provides essential nutrients in optimal doses, ensuring that you receive the right amount of vitamins
  • The use of bioavailable forms of nutrients makes it easier for the body to absorb and utilise these essential compounds
  • Formulated with a mild vanilla flavour, making the supplement easier to take


  • Not suitable for vegans, as it contains fish oil
  • May cause side effects in some people

What Is Kin Fertility?

Kin Fertility is an Australian-owned brand offering a variety of reproductive health treatments for every stage of pregnancy. Its prenatal supplement was formulated by dietitians with 12 highly bioavailable ingredients that support pre-conception and pregnancy. Designed to be gentle on the stomach with optimal doses of each ingredient, Kin’s prenatal supplement has become a bestseller. Other products include Kin male prenatal, postnatal supplements, breastfeeding products, C-section recovery care, and more.

When should I take my Kin Prenatal?

You should start taking Kin’s prenatal vitamins about three months before trying for a pregnancy. This gives your body time to achieve a new nutritional status before the initial foetal developmental stages.

Kin Fertility Prenatal Ingredients

Kin’s prenatal vitamins contain a blend of 12 clinically researched, highly bioavailable ingredients in optimal dosages for the health of you and your developing embryo/foetus.

IngredientsAmount per servingMain benefit
Methylated folate


Supports embryo/foetal brain development



Supports embryo/foetal cognitive development

Vitamin B12

5mcgSupports healthy foetal growth


37mgSupports a healthy pregnancy


133.7mgSupports foetal brain development


100mcgSupports a healthy pregnancy


287.8mcgSupports foetal nervous system development


43.56mgSupports embryo/foetal growth

Vitamin K

65mcgSupports a healthy pregnancy

Vitamin B6

1.22mcgSupports a healthy pregnancy

Vitamin D3

10mcgSupports healthy foetal development


150mgSupports healthy foetal growth


Methylated Folate

Taking folic acid during pregnancy has been found to reduce the risk of birth defects and benefit embryo/foetal neurocognitive development. Kin uses methylated folate (the same as the folate your body naturally produces) instead of folic acid because it’s more bioavailable and easily absorbed by the body. 


Omega-3 refers to fatty acids that support foetal brain and neuron development. Kin uses an easy-to-digest fish oil that contains relatively high levels of DHA, a crucial nutrient for foetal brain development.  

Vitamin B12

Vitamin B12 works with folate to support healthy foetal development. Kin uses a highly stable, synthetic form of it called cyanocobalamin.


In pregnancy, the recommended daily intake of iron increases from 8mg to 18mg daily in non-pregnancy to 27mg daily if pregnant. So, many individuals require iron supplementation to avoid deficiency. Kin uses a patented form of iron called Ferrochel™️ that travels unaffected through the intestine and to the target tissues. 


The human body needs choline to make acetylcholine, a neurotransmitter that supports the foetal nervous system. The body doesn’t produce adequate levels of choline alone, and it’s especially important during the third trimester. 


Research shows that biotin status decreases during pregnancy, and pre-term infants are known to have marginal biotin deficiency. Additionally, at least one-third of pregnant people develop marginal biotin deficiency, making it an important prenatal supplement. 


Iodine is an essential element for thyroid hormone production, but the body can’t produce it. Iodine supplementation during pregnancy has been linked to a lower risk of postpartum maternal hyperthyroidism and supports healthy foetal development. Kin uses potassium iodine because it’s more easily absorbed than other forms of iodine. 


Zinc supplementation can promote healthy births in individuals with low zinc levels during pregnancy. Kin uses zinc citrate, which the body can absorb much more easily than zinc oxide. 

Vitamin K

Vitamin K and vitamin D help the body absorb calcium, but the delivery of vitamin K across the placenta is poor. Vitamin K supplementation has been found to improve birth outcomes, and it’s found in the form of menaquinone-7 in Kin’s prenatal vitamin. 

Vitamin B6

Vitamin B6 supports the pregnant person’s health during pregnancy by reducing nausea and vomiting, supporting dental health, and treating some cases of anaemia. It may also positively affect birth weight. Kin uses pyridoxine hydrochloride, a form of vitamin B6 that the body can easily absorb. 

Vitamin D3

Vitamin D3 offers several benefits during pregnancy, including improved foetal bone health, and a reduced risk of pre-eclampsia and gestational diabetes. Kin uses cholecalciferol, the same bioavailable form of vitamin D that your body naturally produces with sun exposure. 


Magnesium has been found to positively affect insulin sensitivity and oxidative stress in people with gestational diabetes. It’s also been found to reduce the risk of cerebral palsy, foetal growth restriction, and pre-eclampsia. 

Does Kin Prenatal have folic acid?

Kin Prenatal contains methylated folate (or levomefolate calcium, as it appears on the label), which is identical to the folate found naturally in the body. It’s more bioavailable and more easily absorbed than folic acid. 

Benefits: Do Prenatals Work?

Prenatals provide several benefits to the pregnant person and embryo/foetus by preventing nutritional deficiencies and reducing the risk of certain conditions and complications. During pregnancy, the recommended intake of many nutrients increases, making it difficult for some pregnant individuals to avoid deficiencies with dietary sources alone. 

Kin Fertility prenatal supplements are designed to provide the greatest possible benefit to the pregnant person and embryo/foetus with highly bioavailable ingredients. 

Benefits for the Pregnant Person

Benefits for the pregnant person:

  • Nutritional support: Nutritional status before and during pregnancy is an important factor in foetal growth and development. However, many people don’t meet dietary recommendations. With 12 high-quality ingredients chosen by dieticians, the Kin Prenatal Vitamin provides nutritional support for individuals who are pregnant or planning to become pregnant. 
  • Prevents anaemia: Anaemia may be caused by iron deficiency and affects close to 50% of pregnancies worldwide. It can cause low birth weight and preterm births. Kin’s prenatal supplement helps prevent anaemia by providing 37mg of iron in the form of Ferrochel™️. 
  • Gestational diabetes prevention: Gestational diabetes affects more than one in six Australian women. Kin’s prenatal supplement prevents it with vitamin D3 and magnesium, among other essential nutrients. 
  • Energy levels: Vitamins B12 and B6 in Kin Prenatal Vitamins can support higher energy levels for pregnant individuals by helping the body convert food into energy. 

Benefits for the Embryo/Foetus

Benefits for the embryo/foetus may include:

  • Immune system support: Zinc, iron, iodine, and vitamin D support the foetal immune system. An optimal intake of these nutrients may help lower the risk of infectious diseases in infancy. 
  • Strong bones and teeth: Vitamins K and D help the body absorb calcium to promote strong bones and teeth in the embryo/foetus. 
  • Healthy nervous system: Kin’s prenatal supplement supports the development of the foetal nervous system with folate, omega-3, and choline. These nutrients also promote healthy neurocognitive development during the crucial stages of pregnancy. 
  • Reduced risk of low birth weight: Kin Fertility’s prenatal vitamin includes vitamin B12 and folate to reduce the risk of low birth weight and premature birth.   

Why We Recommend Kin Fertility Prenatal Vitamins?

We recommend Kin Fertility for convenient, effective, and research-backed treatments for reproductive health. We appreciate the brand’s focus on education and stigma-free care, with supplements that are formulated by experts. 

Key reasons why we recommend Kin vitamins for pregnancy and pre-pregnancy include:

Developed and Formulated With Dietitians

Insight from medical professionals is crucial to ensure the safety and effectiveness of prenatal vitamins. Kin Fertility Prenatal Vitamins are formulated by dieticians for the best combination of ingredients and optimal dosages.

Bioavailable Ingredients in Optimal Amounts

Not all forms of essential nutrients are easily absorbed by the body. For example, one in three people has a common gene variant that makes it difficult to absorb folic acid. So, Kin uses highly available forms of these nutrients in ideal amounts for easy absorption.

Gentle on the Stomach

Prenatal vitamins, particularly those that contain iron, can cause stomach upset. Kin uses Ferrochel™️, also known as iron bisglycinate, which moves unaffected through the intestine to directly reach the target tissue. Additionally, Kin’s prenatal vitamin uses a high-quality, concentrated form of fish oil with standardised amounts of DHA and EPA and low mercury levels. This can reduce uncomfortable burping from fish oil.

Is Kin Fertility Prenatal Safe?

Kin Fertility prenatal vitamins are formulated by dieticians to ensure that they’re safe before and during pregnancy. However, some people experience side effects from certain ingredients in prenatal vitamins.

Potential side effects:

  • Gas and bloating from omega-3 
  • Constipation from the iron 
  • Nausea, headaches, dizziness, or vomiting, but typically only in high doses of zinc
  • Diarrhoea, cramping, or nausea, but typically only in high doses of magnesium 
When to Seek Emergency Medical Care

Seek emergency medical care if any of the side effects listed above become severe or persist for several days. 

Compare the Best Vitamins for Pregnancy

We’ve compared Kin Fertility to Elevit to help you determine which prenatal vitamin is the right choice for your needs. 

Best Prenatal Vitamins in Australia

Kin Fertility Elevit
Price$45Differs by pharmacy
$60 to $69.95
Number of capsules60 soft capsules100 tablets
Serving size2 capsules1 tablet
Number of ingredients 1219
Optimized for bioavailability?
Contains Australian recommended daily intake of iron, folate, and iodine?
37 mg of iron
652 mcg of folate
287.8 mcg of iodine

60 mg of iron
800 mcg of folate
220 mcg of iodine
Developed and formulated with dietitians?

Kin Prenatal vs. Elevit

Kin and Elevit both offer a supplement for pre-conception and pregnancy. Elevit’s supplement contains 19 essential vitamins and minerals, including folate, iron, and iodine. Elevit also contains more iron and folate (60mg and 800mcg, respectively) than Kin in a single tablet (Kin’s serving size is two capsules). However, Elevit lacks the highly bioavailable forms of essential nutrients that Kin uses, and the higher dosages of certain ingredients may lead to increased side effects. 

Kin Prenatal Reviews From Their Customers

Kin’s prenatal vitamins are widely loved by customers, many of whom note that they experience fewer side effects and better results overall with Kin than other prenatal supplements. Multiple customers also note that Kin Fertility vitamins give them noticeably higher energy levels, and that the vanilla flavour makes them easy to take. However, a few customers noted that they experienced side effects from the supplements, including bloating and acid reflux. 

I used Kin for majority...hum-an
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“I used Kin for majority of my pregnancy and continue to use them postpartum. I chose them due to the Methylated Folate. I’ve felt great on them, I had no issues my whole pregnancy and have a very happy, healthy thriving baby. I used Blackmores pregnancy and breastfeeding for a short time and it made me feel awful. I did take Kin Prenatal alongside 1000IU Vitamin D and later in my pregnancy an iron supplement.”
Excellent product!
Read More
“The best prenatals I’ve had. I have so much energy and I’m not bloated or constipated like the other competitor brands I’ve tried. Keen to try other products from this brand.”
Best switch
Gengen A.
Read More
“I switched to Kin just 3 weeks ago, as I'm in my early weeks of pregnancy. I found my old vitamins to give me bad constipation, reflux and nausea. I have been really struggling with energy and mood, and just feel horrible in general. Since switching, I have a lot more energy and don't struggle at work or even at home on my days off, I just feel fatigued all the time. Constipation and nausea isn't as bad, although, I found my bloating and reflux is pretty much the same, but probably because it's a pre-existing issue for me. I love that it has omega3s and isn't disgusting to swallow. Although, since it's pack with all the goodies, I know there is nothing much they can do with the size. Another plus is I opted for subscription, and I can just relax knowing I won't run out. All in all, I love it mostly for the energy change it gave me compared the my previous vitamins.”

The Verdict: Are Kin Fertility Prenatals Good?

Kin Fertility prenatals are ideal for people looking to optimise their nutrient levels and support foetal development before and during pregnancy.

 With highly bioavailable ingredients in optimal dosages, this dietitian-formulated supplement promotes good birth outcomes and higher energy levels during pregnancy. 

In addition to its 12 high-quality ingredients, Kin Fertility prenatals have a subtle vanilla flavour to make them more pleasant to take. While other available prenatal vitamins contain more nutrients in higher dosages, Kin may help people avoid uncomfortable side effects while preventing nutrient deficiencies. 

Frequently Asked Questions (FAQs)

No, taking a prenatal doesn’t help you get pregnant. It can, however, support the health of the pregnant individual and the foetus during pregnancy. 

You should start taking a prenatal around three months before trying to get pregnant.

The most effective prenatal vitamin can vary from person to person. Kin Fertility’s prenatal is formulated by dietitians and has sold out multiple times. 

Doctors recommend prenatal vitamins that fulfil the recommended daily intake of nutrients like iron, folate, and iodine. 


We conducted extensive research to evaluate the pricing, effectiveness, accessibility, overall quality, and customer support of Kin Fertility, which also included examining multiple brands that offer prenatal vitamins. To determine overall value, we evaluated cost, usability, treatment options, and dietitian recommendations. 

Other factors we investigated prior to choosing the best prenatal vitamins included convenience, discounts, customer service, access to healthcare providers, and free resources offered. For the best overall prenatal, Kin Fertility stood out for its wide range of effective treatment options for individuals who are pregnant or planning to become pregnant.

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