What is Vaccinium Myrtillus Extract?
Vaccinium myrtillus extract is a concentrated herbal ingredient – it is concentrated from the bilberry fruit itself, a low-growing shrub, native to the forests and mountainous areas of Northern and Central Europe. This extract is prized for its high concentration of naturally occurring anthocyanins-bioactive flavonoids responsible for the purple/blue heart of the berry, as well as its functional health characteristics. Vaccinium myrtillus berries are commonly smaller and more deeply colored than the cultivated blueberries; such berries, upon proper processing, produce a more concentrated extract. The extract is normally standardized for standard levels of active compounds, hence making it a reliable ingredient in a variety of health and wellness products. Supporting visual function, particularly under low luminance conditions and digital screen exposure, it is also employed to stimulate vascular integrity and antioxidant protection on the cellular level. This natural formulation is suitable for clean-label, plant-based, non-GMO product formulation, which makes it the first to be chosen for dietary supplements, functional foods, and botanical skincare.

COA
| Item | Specification | Result |
| Physical&Chemical analysis | ||
| Assay | 25% | Conform |
| Appearance | Dark purple powder | Conform |
| Odor&Taste | Characteristic | Conform |
| Loss on Drying | ≤5.0% | 3.45% |
| Ash | ≤1.0% | 0.49% |
| Residue on Ignition | ≤5.0% | 2.04% |
| Mesh Size | 100% pass 80 mesh | Conform |
| Heavy Metals | ||
| Heavy Metals | ≤10ppm | Conform |
| Pb | ≤2ppm | Conform |
| As | ≤2ppm | Conform |
| Cd | ≤1ppm | Conform |
| Hg | ≤1ppm | Conform |
| Microbiological | ||
| Total bacterial count | <1000CFU/g | Conform |
| Yeast & Mould | <100 CFU /g | Conform |
| E.coil | Negative | Conform |
| Salmonella | Negative | Conform |
| Staphylococcus aureus | Negative | Conform |
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Bilberry Anthocyanins VS Blueberry Anthocyanins
Though bilberry and blueberry belong to the same botanical family of the blueberry group and are known for their deep purple pigments, the two varieties show critical differences in terms of anthocyanin composition and concentration. The main difference is the kind and quantity of these natural flavonoids. Bilberry has a greater diversity of anthocyanin composites and a more even distribution across the variety of molecular structures. Instead, blueberry has fewer varieties, mostly overwhelmed by a limited set of glycosides.
As concerned with concentration, bilberry tends to provide a much stronger anthocyanin content in terms of the amount per gram of the fruit when compared to blueberry. This means, in effect, that less material is required to provide the equivalent levels of active compounds for the applications requiring standardised extracts when they are using the bilberry-derived sources. This difference is key in supplement and functional ingredient formulation, where uniformity and potency are of major importance.
Here is another important aspect the uniform pigmentation. Bilberry fruits are usually deep purple all through, skin and pulp, which also helps to produce a higher yield of anthocyanins. Blueberry, on the other hand, contains the bulk of the pigment in the skin with lighter flesh, and therefore a lower overall concentration.
Such diversity in profile and density also impacts not only their nutritional value but also their practical use in product development. Although they are both used for antioxidant and eye-enhancing benefits, bilberry-based ingredients tend to be favoured for a higher, varied anthocyanin profile preferred in a concentrated form.
Bilberry Extract Safety for Manufacturers
Bilberry Anthocyanins sourced from Kingsci are well-tolerated in finished product manufacture throughout supplements, functional foods, or cosmetic formulations when used in recommended use levels. Our extract goes through a rigorous quality control process, such as testing for heavy metals, pesticides, microbiological pollution, solvent remnants, etc., to achieve the required international safety and purity standards. As a concentrated plant-based ingredient, it becomes important for downstream manufacturers to follow suitable formulation guidelines, but only with the use of as directed, no known adverse effects are derived. As a consistently high-quality batch with clear documentation and strong technical support, the Kingsci bilberry extract provides a robust starting point for the production of high-quality consumer products that is not at the expense of safety or compliance requirements.

Is Anthocyanin Supplement safe for everyone?
Anthocyanin supplements, such as those obtained from bilberry or blueberry extracts, are, for the most part, safe for use by most people, though not all may be right for using the supplements. Generally, anthocyanins are known to be safe and advantageous based on their antioxidant properties, but health conditions or those medicated must be careful. For instance, an anthocyanin-based supplement should first be consulted with a healthcare professional for women, pregnant women, breastfeeding women, individuals with known berry or related plant allergies, and people taking/on blood-thinning drugs. In addition, individuals with underlying conditions like diabetes or those who are taking medication for high blood pressure or cholesterol on a daily basis may need to take into consideration possible interactions. It is never suggested not to consult a healthcare provider before adding any new supplement to a routine.
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