Why we chose what we chose.
How to read this page
Each entry explains what an ingredient is, the amount in one 15g scoop, and why we chose the particular form. Where a UK-authorised health claim exists for an ingredient, it appears in the diagram above, in its exact wording.
Any research we cite is about individual ingredients. It is not evidence about Epithe. itself. The finished product has not been clinically tested, and we don't suggest otherwise.
2.5g magnesium bisglycinate · elemental amount being confirmed
Magnesium bisglycinate
What it is
Magnesium is an essential mineral. In the bisglycinate form each magnesium ion is bound to two molecules of the amino acid glycine, a type of compound known as a chelate.
Why this form
We chose a chelated form over magnesium oxide or citrate because it mixes cleanly in cold water and has a neutral taste in a fruit-flavoured powder. The elemental magnesium per scoop, and its share of the reference intake, will be published here once confirmed by the manufacturer, before launch.
25µg (1,000 IU) · 500% RI
Vitamin D3
What it is
Vitamin D3, cholecalciferol, is the form of vitamin D the skin makes in sunlight. Ours is extracted from lichen, which keeps the formula vegan.
Why this form
D3 rather than D2 because it is the form most widely used in supplements, and lichen-derived D3 is the vegan option that doesn't rely on lanolin. 25µg is five times the reference intake and well within the tolerable upper intake level for adults set by the European Food Safety Authority, which is 100µg a day.
10mg · 100% RI
Zinc
What it is
Zinc is an essential trace mineral that the body cannot store in quantity, so it needs a regular dietary supply.
Why this form
Zinc bisglycinate, the same chelated format as the magnesium, so the two minerals behave consistently in the powder. The amount is set at exactly the reference intake: enough to count, no more.
80mg · 100% RI
Vitamin C
What it is
Vitamin C, ascorbic acid, is a water-soluble vitamin. Because the body doesn't make it, it has to come from food or supplements.
Why this form
Sodium ascorbate is a buffered form of vitamin C with a near-neutral pH. In a drink powder that's a practical choice: it doesn't make the mix sharp or acidic, which matters for taste when green apple and raspberry are doing the flavouring.
All eight · 100% RI or above
B vitamins
What it is
Thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folate (B9) and cobalamin (B12). All eight are water-soluble, so the body doesn't store them in quantity and a daily supply is the point.
Why this form
Each at a full day's reference intake: not a token inclusion and not a megadose. Folate is supplied as methylfolate and B12 as methylcobalamin, the forms the body uses directly, and B6 as pyridoxal-5-phosphate for the same reason.
5g
L-glutamine
What it is
L-glutamine is an amino acid, one of the most abundant in the body, and found in protein-containing foods.
Why this form
We use the free-form L-glutamine amino acid at 5g, a disclosed and meaningful quantity rather than a token inclusion. This is the main reason Epithe. is a powder: 5g doesn't fit in a capsule.
3g
Agave inulin
What it is
Inulin is a soluble plant fibre, a type of fructan. Ours is organic and extracted from the blue agave plant, Agave tequilana.
Why this form
Agave inulin dissolves readily in cold water and has a mild, slightly sweet taste, which suits a drink powder. 3g gives a disclosed fibre amount alongside the other foundational ingredients.
Five strains · count per scoop being confirmed
Live cultures
What it is
Five strains of live bacteria: Lactobacillus rhamnosus, Bifidobacterium breve, Lactobacillus helveticus, Bifidobacterium longum and Lactobacillus plantarum. CFU means colony-forming units, the standard measure of live cultures. The guaranteed CFU per scoop at the end of shelf life will be published here once confirmed by the manufacturer.
Why this form
Five named strains, each disclosed, rather than an undisclosed blend. The strains were selected from those with an established history of use in food supplements; the strain designation is given where the supplier provides it.
Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. Reference intakes (RI) are the UK/EU values for adults.