Omega-3 Plus
Vitamin D3 + K2 + E

640mg Omega-3, 1,000 IU D3

Purely plant-based active complex with omega-3 fatty acids and the fat-soluble vitamins D3, K2, and E. Both active forms of omega-3 (DHA + EPA) in a natural triglyceride form. 400mg DHA + 200mg EPA + 40mg additional omega-3 forms per capsule. Also includes 1,000 IU plant-based vitamin D3, vitamin K2 in the form of K2VITAL®, and our natural vitamin E complex with all 8 tocopherols and tocotrienols. Custom-made, high-quality softgel capsules derived from tapioca starch. 2x60 softgels
  • 4 important essential substances in a 100% vegan premium complex
  • 640mg omega-3, 1000 IU vitamin D3, 50µg K2, 15 IU vitamin E per capsule
  • Omega 3 complex from algae oil: 400mg DHA, 200mg EPA and 40mg other fatty acids
  • Fresh algae oil: TOTOX value (oxidation) of 10.48 in the final product
  • Supports heart, brain, immune system, bones and protects cells from oxidative stress
  • Directly bioactive omega-3 fatty acids, no conversion needed
  • Coordinated blend of vitamin D3 with cofactor vitamin K2
  • Pure herbal Premium D3 with no hidden additives
  • Premium K2 MK7 100% all-trans from the quality manufacturer Kappa® from Norway
  • Natural vitamin E complex with all 8 tocopherols & tocotrienols
  • The world's only ultra-pure and vegan softgel capsules made from tapioca starch (cassava root)
  • Free from gelatine, carrageenan and PEGs
Customize Omega-3 Plus <br/>Vitamin D3 + K2 + E<br/>Vegan
2 x Omega-3 Plus Vitamin D3 + K2 + E Vegan   + €0.00

* Required Fields

€45.41 €47.80

2x60 softgels

Delivery : 1–3 business days

Incl. VAT, excl. Shipping

€249.51 / 1kg

Premium Bioactive Ingredients

  • Purely plant-based, vegan premium complex: omega-3 from algae, combined with important fat-soluble vitamins D3, K, and E
  • Synergistic effect between omega-3 fatty acids DHA and EPA, in an optimal 2:1 ratio
  • Directly bioactive omega-3, no conversion necessary
  • Natural algae oil with additional omega-3 fatty acids
  • Fresh algae oil: TOTOX value (oxidation) of 2 in the raw material and 10.48 in the final product
  • No contamination from heavy metals (as with fish oils)
  • No measurable contamination from environmental toxins
  • Cultivation of microalgae in sustainable aquaculture
  • Environmentally friendly production process binds tonnes of CO2
  • Balanced formula with vitamin D3 and its cofactor vitamin K2
  • Vegan D3 with no hidden ingredients
  • Premium K2 MK7 all-trans by the leading producer Kappa®, from Norway
  • K2 100% in the form of MK7 all-trans: the most effective form of vitamin K2
  • Natural vitamin E complex with all 8 tocopherols and tocotrienols

How are we different?


We use a 100% vegan, purely plant-based omega-3 derived from algae oil. Microalgae are not just an ethical, sustainable source of omega-3 fatty acids, but they also contain many other beneficial phytochemicals and are not contaminated by environmental toxins. The freshness of the algae oil is confirmed by the very low degree of oxidation of the oil (TOTOX value: 10.48 in the end product). The laboratory test can be found under the tab below.

Our omega-3 is derived from the microalgae Schizochytrium sp., which has the highest DHA content of all plant-based sources. This algae provides directly bioactive DHA and EPA in an ideal ratio, rather than just offering the inactive ALA precursor, as in the case of linseed oil.

The microalgae used for this product is cultivated in sustainable aquacultures that do not interfere with the sea's natural ecosystem, meaning that our omega-3 has no negative impact on fish populations or their natural food sources. Algae oil has an exceptional life-cycle assessment (LCA) score, as many tonnes of carbon dioxide are bound from the atmosphere during the production process.

Vitamin D3

Our specialised production process is what makes our vitamin D3 so pure. More specifically, our custom-made vitamin D3 is produced by a renowned and specialised producer who follows our strict guidelines regarding the exclusion of hidden ingredients.

Vitamin K2

Our vitamin K2 comes from a top European manufacturer and is a premium active ingredient. It is one of the few commercial supplements on the market that consists of 100% highly effective all-trans MK7. Impurities and fluctuations in quality among batches are therefore not an issue.

Vitamin E

Synthetic vitamin E has a lower bioavailability, is in some cases ineffective, and may even be harmful. Our high-dose vitamin E therefore contains exclusively natural vitamin E with 90-99% D-alpha tocopherol as it occurs in the body and, also in contrast to synthetic vitamin E, is 100% free from hidden additives.

Our vitamin E is derived from sunflower seeds and is dissolved in sunflower oil, which makes this ingredient particularly pure and bioactive.


  • Premium active ingredients in their purest form
  • Sourced directly from the world’s best producers
  • Our select raw materials are the basis of all our formulations
  • Complete avoidance of all unnecessary additives and adjuvants
  • Exclusive use of valuable natural ingredients for additives
  • We voluntarily declare all ingredients
  • All extractions performed without the use of chemical solvents
  • Custom production when necessary, in order to achieve the highest possible level of purity
  • Independent laboratory testing available on product pages
  • Raw materials sourced only from premium suppliers who are committed to fair working conditions
  • Amber glass and compostable pouches used for packaging
  • Vegan capsule shells, free from PEG and carrageenans
  • Packaged in the EU according to HACCP, GMP and ISO 22000:2018 standards
  • Stored in non-toxic containers
  • Shipped in mineral oil-free boxes
  • All products guaranteed 100% free from magnesium stearate, silicon dioxide, nanoparticles (no legal opportunism), genetic engineering, artificial colours and flavours, titanium dioxide and added sugar & sweeteners


Omega-3 fatty acids are a special class of polyunsaturated fatty acids that regulate many important bodily functions, such as brain and heart function, as components of cell membranes and precursors of eicosanoids.

Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are biologically active omega-3 fatty acids.

Health Benefits of DHA and EPA According to the European Food Safety Authority (EFSA)

DHA and EPA contribute to:

  • Normal heart function

DHA contributes to:

  • Maintenance of normal brain function
  • Maintenance of normal vision

Other effects of DHA and EPA are still being researched.

Vitamin D and Vitamin K2

Vitamin D and vitamin K2 are cofactors in the regulation of calcium metabolism. If there is an existing vitamin K2 deficiency while taking vitamin D3, there is a higher risk of over-sized calcium deposits in vessels and organs (risk of calcification, arteriosclerosis, kidney stones, etc.). Sunday Natural vitamin D3 and K2 MK7 combines both nutrients in a ratio to ensure optimal synergy.

Health Benefits of Vitamin D According to the European Food Safety Authority (EFSA)

Vitamin D contributes to:

  • Normal absorption/utilisation of calcium and phosphorus
  • Normal blood calcium levels
  • Maintenance of bones
  • Maintenance of normal muscle function
  • Maintenance of healthy teeth
  • Normal immune system function

Vitamin K

Most organisations do not consider vitamin K1 and K2 separately and, as such, there is not extensive information available on the benefits of vitamin K2 specifically. As such, our statements about vitamin K2 are based on the assumption that K1 and K2 function similarly.

Health Benefits of Vitamin K According to the European Food Safety Authority (EFSA)

Vitamin K contributes to:

  • Normal blood clotting
  • Maintenance of normal bones

Vitamin E

Vitamin E is, chemically speaking, an entire vitamin group consisting of 8 different compounds. These are divided into 4 tocopherols and 4 tocotrienols that are further categorised as alpha, beta, gamma, and delta. Each vitamin E compound has unique properties and works together with the other forms of vitamin E synergistically. The 4 tocopherols contained in this capsule provide optimal bioavailability and bioactivity.

Health Benefits of Vitamin E According to the European Food Safety Authority (EFSA)

Vitamin E contributes to the protection of cells from oxidative stress and proteins and lipids from oxidative damage.


One of the key indicators of high quality omega-3 oils is their degree of freshness. Due to their structure, omega-3 fatty acids are naturally extremely reactive and susceptible to oxidation processes (autoxidation), which can cause them to quickly deteriorate. When omega-3 fatty acids are oxidised, primarily fatty acid peroxides are formed, which then react or are broken down into secondary oxidation products such as aldehydes (malondialdehyde, 4-hydroxyhexenal). Therefore, it is essential to thoroughly analyse oxidative by-products in order to ensure the quality of omega-3 products.

To measure the oxidation of omega-3 oils, 3 main values are used: peroxide number (POZ), p-anisidine number and the TOTOX value, which is calculated using the anisidine and peroxide numbers (TOTOX value = p-anisidine number + (2x peroxide number)).

The TOTOX value (TOTal OXidation) is an internationally recognised indicator that assesses the total oxidation value (oxidation of the fatty acids) and provides a clear overall picture of the freshness of oils. The lower the TOTOX value, the fresher the oil. The anisidine number (AnZ) is a measure of the aldehyde formation during the oxidation of fats, which reveals a lot about how an oil has been processed and stored. The peroxide number (POZ) measures the current oxidation.

Our omega-3 products are continuously checked for their anisidine and peroxide values. Unlike other products on the market, we analyse not only the raw material, but also the end product after it has been manufactured. During production, we take the greatest possible care to avoid contact with oxygen as much as possible in order to prevent oxidation processes. We pay particular attention to the freshness of our raw materials and the correct storage of the end product. Long storage times are avoided.

According to the official bodies, IFOS, IKOS, GOED and GMBI, the following limits must not be exceeded:

  • Peroxide value (PV): max. 5 mEq/kg
  • Anisidine value (AV): max. 20
  • TOTOX value: max. 26

A TOTOX value of over 26 indicates that the omega-3 oil is spoiled and should not be consumed. A TOTOX value less than 20 is a sign of a fresh and high-quality oil. Ideally, an omega-3 product should be stored away from light, in the bottom of the refrigerator. Low temperatures significantly slow down the oxidation processes of the algae oil. This applies both before and especially after opening the package.
If the taste or smell of the algae oil deteriorates within this period, this indicates premature oxidation of the algae oil. This can be caused by improper storage or the pipette coming into contact with the mouth/tongue.
Our products have values well below the recommended limits. You can find the latest laboratory results under the "Laboratory Tests" tab.


Recommended Dosage

Take 1 softgel capsule daily with 200ml water at mealtimes.

Daily Requirements

Omega-3 Requirements

The EFSA recommends a daily intake of at least 250mg omega-3 fatty acids in the form of DHA and/or EPA.

Food Supplement

Do not exceed the recommended dose. Food supplements cannot replace a balanced and varied diet. Keep out of reach of children.


Store in a cool, dry place away from direct sunlight and heat.

Note: After opening, store in the refrigerator.


Ingredients: Omega-3 Algae Oil, Vitamin D3 (plant-based), Vitamin K2 MK7 All-Trans (K2VITAL®), MCT Oil*, Natural Tocopherols (Vitamin E).
Capsule shells: Tapioca Starch, Plant-Based Glycerin, Water. 
* cultivated without pesticides

Ingredients per Daily Dose (1 Capsule) % NRV**
Omega-3 640mg -***
of which DHA  400mg -*** 
of which EPA 200mg -*** 
of which other omega-3 40mg -***
Vitamin K2 MK7 (K2Vital®) 50µg 67
Vitamin D3⥉ 1,000 IU (25µg) 500
Vitamin E Natural Complex
(d-Alpha, d-Gamma, d-Beta, d-Delta)
15 IU 83

⥉ plant-based
** Nutrient Reference Value
*** no reference available


Vitamin D and Vitamin K 

Together with vitamin K2, vitamin D ensures the normal absorption of calcium and phosphorus into the intestine and is responsible for incorporating them into the bones. If a vitamin K2 deficiency exists, the calcium may be absorbed but not fully utilised by the body. The consumption of vitamin K together with vitamin D is important, especially when taking high doses of vitamin D.

Vitamin K2 exists in two different molecular forms, called trans- and cis-forms, which differ in terms of their structures. It is important to ensure that vitamin K2 is consumed in its all-trans form, as this is the only form that can be utilised by the body.

Product Details

German Pharmaceutical Number (PZN) 16865943
Omega-3 Fatty Acids Docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)
Origin High-quality raw ingredients from certified producers in the USA and Europe
Production Bottling and encapsulation in the EU according to HACCP, GMP / ISO 22000:2018 standards
Finished products packaged in amber glass jars, and stored in non-toxic containers
Shipping in mineral oil-free boxes
Capsules Vegan softgel capsules made from tapioca starch and glycerin.
Free from controversial additives such as carrageenans and PEG
Packaging Amber glass jar to protect against light and oxidation (free from plasticisers and BPA)
To Reuse Remove product label by soaking the bottle in warm water for 5 minutes. Glue residue can be removed with dish soap

Laboratory Tests

The purity of our formulas is important to us. This is why we have both our raw ingredients as well as our finished products extensively tested by independent laboratories to confirm purity and active ingredient content. Here, we have provided the results of some of the tests carried out on this product.

Sunday Natural

Our Philosophy

For thousands of years, cultures all over the world have been using medicinal plants and nutritious foods to naturally foster and maintain vitality and good health.

With our products, we try to emulate this ancient wisdom as much as possible.

Consequently, our philosophy is simple: everything we do meets the highest standards of quality and purity; our focus is on organic and natural ingredients.

We follow this philosophy with meticulous care on all levels and down to every last detail.

Learn more

Welcome! Which language would you like to use?

The image could not be loaded.