The Booster is a comprehensive powdered multivitamin developed with input from doctors and nutritionists for pregnancy and breastfeeding. It delivers bioavailable nutrient forms at doses above minimum reference intakes, providing 23 carefully selected vitamins and minerals for pregnancy and breastfeeding. Unlike most other prenatals, it is sugar-free, free from synthetic fillers, and comes in an easy-to-drink one-a-day sachet.

The difference lies in the formulation philosophy:

• Form matters → bioavailable, active nutrients
• Dose matters → not just minimum levels
• Tolerability matters → gentle, powder-based delivery
• Individualisation matters → not everything forced into one formula.

It is designed with the nutritional needs of pregnancy and breastfeeding in mind, rather than around minimum reference intakes.

The Booster wasn’t formulated simply to provide 100% of the NRV for every nutrient. Each amount has been carefully considered based on the nutrient, its role during pregnancy and breastfeeding, and the available scientific evidence. For example, folate contributes to maternal tissue growth during pregnancy, magnesium and vitamin C contribute to the reduction of tiredness and fatigue, and vitamin D contributes to the maintenance of normal bones and normal immune function.

Nutritional requirements rise during pregnancy, and supplementation is widely advised alongside a balanced diet. Nutrients such as folate, choline, vitamin D, magnesium, zinc and selenium can be difficult to obtain from diet alone. Folate contributes to maternal tissue growth during pregnancy, and a well-formulated prenatal provides consistent daily support through pregnancy and breastfeeding. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.

Look for folate, choline, B vitamins, vitamin D, magnesium, zinc and selenium, in well-absorbed forms and at doses matched to the needs of pregnancy. The Booster is formulated on these principles.

Prenatal vitamins provide key nutrients during pregnancy and breastfeeding. Folate contributes to maternal tissue growth during pregnancy and has a role in the process of cell division. The Booster includes these key nutrients across 23 carefully selected vitamins and minerals.

When choosing a prenatal, focus on which nutrients it contains, the forms they take, and whether the doses match the needs of pregnancy. Folate, choline, vitamin D, B vitamins, zinc and magnesium all matter at this stage. The Booster delivers 23 nutrients using a bioavailable, science-led approach.

UK and Irish guidance, including the NHS, advises folic acid before and during early pregnancy and a daily vitamin D supplement through pregnancy and breastfeeding. Beyond that, prenatal formulas vary widely. The Booster provides 23 nutrients including folate (the natural form of folic acid) as L-5-MTHF and vitamin D, and leaves iron and iodine to be personalised.

Yes. Pregnancy can take a lot out of you. The Booster contains B vitamins that contribute to normal energy-yielding metabolism, alongside magnesium and vitamin C, which contribute to the reduction of tiredness and fatigue.

Price alone is not a reliable guide. What matters is the form each nutrient takes, the dose, and how well the product is tolerated. Formulations vary widely, so it is worth comparing nutrient forms and amounts rather than price. The Booster prioritises bioavailable forms, meaningful dosing and tolerability.

Folate (L-5-MTHF) is the natural, biologically active form of vitamin B9. Your body can absorb and use it directly, without needing enzymatic conversion. Folic acid is a synthetic form commonly used in generic supplements; it requires a multi-step conversion in the liver before the body can use it. Folate contributes to maternal tissue growth during pregnancy, has a role in the process of cell division, and contributes to normal blood formation.

Folate is particularly important during pregnancy. It contributes to maternal tissue growth during pregnancy, normal blood formation and has a role in the process of cell division. The Booster provides 600 µg of folate as L-5-MTHF.

Folate contributes to maternal tissue growth during pregnancy, has a role in the process of cell division, and contributes to normal blood formation. The Booster provides 600 mcg of folate as L-5-MTHF — the bioactive form, which the body absorbs and uses directly, without the conversion step that folic acid requires.

UK and Irish guidance recommends 400 mcg of folic acid daily from before conception until the twelfth week of pregnancy. The Booster provides 600 micrograms of folate as L-5-MTHF, the bioactive form. If you have been advised to take folic acid specifically, check with your midwife or doctor.

Many experts recommend folate over folic acid because bioactive forms like L-5-MTHF are more easily absorbed and utilised by the body. The Booster includes L-5-MTHF, a bioavailable form of folate.

Folate is the family of vitamin B9 compounds; folic acid is a synthetic, oxidised form, while 5-MTHF is the biologically active form that naturally predominates in the body and requires no conversion by the MTHFR enzyme to be used.

EFSA has assessed authorised 5-MTHF forms repeatedly since 2004 for safety and bioavailability. What the 5-MTHF evidence shows is that it raises and maintains red blood cell folate as effectively as folic acid, and at intakes around 400 µg EFSA assigned it a higher bioavailability factor.

SISTERLY uses L-5-MTHF because it is the form the body uses directly, it is an authorised EU source of folate with an established evidence base, and it fits our wider approach of choosing nutrient forms that reflect those found in the body rather than defaulting to conventional synthetic forms.

Yes. Folate remains important throughout pregnancy: it contributes to maternal tissue growth during pregnancy and has a role in the process of cell division. The Booster provides continuous support with bioactive folate as L-5-MTHF.

Yes, as beta-carotene, a safe precursor form the body converts into vitamin A as needed.

Iron requirements vary considerably during pregnancy and are best guided by ferritin testing, so The Booster leaves iron to be supplemented separately where it is needed. Excluding it also reduces the digestive discomfort that iron-containing prenatals can cause. Where iron has been prescribed, it can be taken alongside The Booster.

Yes, magnesium is generally safe to take during pregnancy. Magnesium contributes to normal muscle function, to the normal functioning of the nervous system, and to a reduction of tiredness and fatigue. The Booster includes magnesium as magnesium lactate, a well-tolerated form.

Vitamin D contributes to the normal function of the immune system and to the maintenance of normal bones. Requirements can be difficult to meet through diet and sunlight alone, which is why vitamin D is included in The Booster. NHS guidance advises a daily vitamin D supplement throughout pregnancy and breastfeeding.

For most women, yes. Note that The Booster does not contain iron or iodine as these nutrients may or may not be suitable and require a more personalised approach.

The Booster follows a “safety-first” formulation philosophy, meaning we intentionally omit certain ingredients to give you better control and flexibility:

• Iron — to allow personalised supplementation based on ferritin levels
• Iodine — to accommodate specific thyroid or autoimmune considerations
• Omega-3 — better supplemented separately in sealed softgels to avoid oxidation
• Retinol — we use safe, plant-derived beta-carotene instead
• Herbs & adaptogens — due to a lack of long-term safety data in pregnancy

We chose not to include omega-3 in The Booster because omega-3 oils are susceptible to oxidation and are better suited to an oil-based format. This allows you to choose a separate, high-quality omega-3 supplement that suits your individual needs.

Powder offers several advantages during pregnancy:

• Gentler on digestion, with no heavy tablets to break down
• Easier to take, especially during nausea or food aversions
• Allows meaningful nutrient doses without swallowing multiple pills

Many women find powder formats easier to swallow during episodes of morning sickness, easier to tolerate than tablets and less likely to cause digestive discomfort or nausea.

While not designed as a treatment, many women find powder formats easier to swallow during episodes of morning sickness, easier to tolerate than tablets and less likely to cause digestive heaviness or nausea.

Formulations vary. Gummy formulas often carry fewer nutrients and lower doses because of the limitations of the format, so it is worth comparing nutrient forms and amounts rather than format alone. The Booster is designed as a powder to deliver 23 nutrients in meaningful amounts, using forms selected on the basis of scientific research.

If you find tablets hard to swallow, powdered or liquid formats can be easier to take. The Booster was developed as a powder to make daily use simpler during pregnancy, particularly when nausea or sensitivity to tablets is common.

Powdered formats dissolve before they are swallowed, so they do not need to break down in the digestive system the way a tablet does. The Booster uses bioavailable nutrient forms selected on the basis of research into absorption and utilisation.

Ideally before pregnancy, when you are trying to conceive, to build nutrient stores ahead of time. The Booster is designed to be taken during the preconception phase as well as through pregnancy and breastfeeding.

No. It is not too late to start prenatal vitamins once you are pregnant. Ongoing nutritional support remains important throughout all stages of pregnancy and breastfeeding.

Throughout pregnancy, breastfeeding, and optionally preconception. Consistency is key, as many nutrients work by supporting ongoing processes and building and maintaining nutrient stores over time.

Yes. The Booster can be taken while trying to conceive and provides key nutrients for this important life stage. Zinc contributes to normal fertility and reproduction, folate has a role in the process of cell division, and vitamin B6 contributes to the regulation of hormonal activity. The Elevator is also a good source of these nutrients, but once pregnant or breastfeeding, The Booster is the preferred option.

Yes. The Booster is formulated for pregnancy and breastfeeding, providing 23 carefully selected vitamins and minerals for this important life stage. B vitamins contribute to normal energy-yielding metabolism, vitamin D and zinc contribute to normal immune function, and choline contributes to normal lipid metabolism.

Most vitamins are safe while breastfeeding when used at appropriate doses, including B vitamins, vitamin D, and minerals such as zinc and selenium. The Booster is designed as a daily foundation using well-established nutrients. If you are taking other supplements or any medication, check with your healthcare professional.

Not all herbal or natural supplements are safe during breastfeeding, as some have limited safety data. The SISTERLY approach focuses on well-researched vitamins and minerals, avoiding unnecessary or less well-studied ingredients.

Biotin, zinc and selenium contribute to the maintenance of normal hair. B vitamins contribute to normal energy-yielding metabolism, which matters during the postpartum period. The Booster includes these as part of its formulation.

Yes. Vitamin D, zinc, selenium and vitamin C contribute to the normal function of the immune system. The Booster includes these nutrients to help support maternal wellbeing during breastfeeding.

Prenatal vitamins are intended for daily use and are formulated for pregnancy. The Booster was developed with input from science experts and informed by reviews of scientific research, with careful attention to established nutrient safety levels and guidance from bodies such as EFSA, WHO and EU regulatory health authorities. As with any supplement during pregnancy, check with your healthcare professional.

Mix one sachet into water, stir well and drink. Take one sachet daily. Taking your prenatal with a light meal helps support the absorption of fat-soluble vitamins and minimises potential digestive sensitivity. If you miss a day, simply resume your normal routine. If you struggle with the taste, you can mix it into a smoothie or take it with food.

Prenatal vitamins are often best taken with food to support absorption and help reduce the chance of digestive discomfort. The Booster is designed to be gentle, well tolerated and easy to take, making it simple to fit into your daily routine.

In many cases, yes, but this depends on what else you are taking. Common pairings include omega-3, iron (if prescribed), and probiotics. It’s always best to check with your healthcare provider to ensure no duplication of nutrients and appropriate dosing.

Yes, some prenatal vitamins can cause nausea or constipation, particularly when they contain iron or use less well-tolerated nutrient forms. The Booster takes a thoughtful formulation approach, focusing on bioavailable forms, powder delivery, and leaving iron to be personalised based on individual need.

During pregnancy, it is best to avoid vitamin A in retinol form, botanical adaptogens and herbal formulas with limited safety data. The SISTERLY approach is safety first, which is why The Booster focuses on well-established vitamins and minerals with a clearer evidence base and recognised guidance around pregnancy use.

Yes. The Booster is suitable for vegetarians and vegans.

While both are comprehensive, doctor-formulated multivitamin powders, The Booster is specifically tailored for pregnancy and breastfeeding by prioritising proven safety during pregnancy and breastfeeding.
Choline, beta-carotene (a safe vitamin A alternative) and calcium were added, while folate was increased in line with the nutritional needs of pregnancy and breastfeeding.
CoQ10, black pepper, and vitamin A were omitted due to limited safety data or toxicity risks during pregnancy.