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The Jadenmoor blog

What is in the portion, and what it does

Skin, hair, nails, energy and menopause: what the studies found, what women report, and what is in every portion of Core™.

Woman in her fifties running a hand through her hair and holding a small glass of marine collagen drink
Pillar guide

Marine collagen for women: what it does for skin, hair and nails

What marine collagen is, what the studies found in women, and what 106 women reported after 8 weeks.

Silver-haired woman in her fifties laughing softly, luminous skin with fine natural smile lines
Skin

Collagen for wrinkles: what it does for fine lines, and how fast

The clinical trials, the skin-imaging before and afters, and the 87% of women who saw fewer fine lines in 8 weeks.

Confident woman in her fifties with silver-streaked hair laughing openly in a deep teal top
Menopause

Collagen and menopause: what changes in your skin, hair and nails

Skin collagen changes fastest after menopause. Here are the trials run in menopausal women, and the 81% of 106 women who reported firmer skin after 8 weeks on our liquid marine collagen.

Woman in her fifties laughing as her thick, glossy blonde hair swings out around her shoulders
Hair

Collagen for hair: thicker, healthier-looking hair from the inside

Two placebo-controlled trials on hair thickness and condition, and the 86% of women who reported healthier hair in 8 weeks.

Woman in her fifties holding a paper calendar and a pencil, smiling as she counts the weeks of collagen
Questions

How long does collagen take to work? A week-by-week timeline

Hours to reach your blood, weeks to show in your skin, months for hair and nails: every study placed on one timeline.

Smiling woman in her forties holding her hand beside her face to show short, bare natural nails
Nails

Collagen for nails: what the nail study and 106 women found

The 24-week nail study, the before and after photos, and the 76% of women who reported stronger nails in 8 weeks.

Woman in her fifties with silver hair holding a collagen pack and a measuring cap of berry-red drink
Questions

How much collagen should you take a day? The doses the trials used

The daily collagen doses clinical trials used, from 1,000 mg to 10 g, set out study by study, and where one portion of Core™ sits.

Woman in her forties in an off-white knit laughing as she ties back her long honey-brown hair
After 40

Collagen after 40: what the trials at your age show

The collagen trials sorted by the ages they enrolled, from 40 upwards, and what 106 women reported after 8 weeks.

Woman in her fifties with a short blonde bob stretching both arms overhead and laughing, in a deep teal top
Energy

Tired all the time? The vitamins in Core™ for tiredness and fatigue

The four vitamins in Core™ with an authorised claim for the reduction of tiredness and fatigue, and how much of each is in one portion.

Brunette woman in her forties tipping a measuring cap of berry-red liquid collagen towards her lips
Choosing

Liquid collagen vs powder, capsules and gummies: what actually differs

Liquid, powder, capsules or gummies: what the trials used, the three things worth checking on any label, and what one portion holds.

Smiling blonde woman in her forties holding half an orange beside her face and a small glass of collagen drink
Ingredients

Vitamin C and collagen: why they go together

What vitamin C does when your body forms collagen, how much is in your skin, and why every Core™ portion carries 120 mg of it.

Woman in her forties with slicked-back wet hair laughing, water droplets on her dewy skin
Skin

Collagen for skin hydration and glow: what the trials measured

How skin holds water, what the hydration trials measured, and the 89% of 106 women who reported more moisture and glow after 8 weeks on our liquid marine collagen.

Laughing woman in her fifties with wavy brunette hair tying a deep teal silk scarf loosely at her neck
Ingredients

Selenium and your thyroid: what the mineral does

Why the thyroid holds a higher concentration of selenium than any other organ, what the authorised wording says, and the 27.5 µg in one Core™ portion.

Blonde woman in her fifties holding a seashell and a small glass of marine collagen drink, smiling
Choosing

Marine vs bovine collagen: what the studies show

Where marine and bovine collagen come from, which source the skin trials used, and why Core™ is built on marine collagen.

Woman in her fifties in a sand blazer holding a small glass of collagen drink at eye level, looking curious
Questions

Is collagen absorbed, or broken down in the stomach?

The sceptic's question, answered with what was measured in blood after a dose of hydrolysed collagen, and what separate skin trials found.

Woman in her forties with auburn hair tipping her head back to finish a small glass of berry-red drink
Ingredients

Hyaluronic acid you drink: what trials measured in skin

Where hyaluronic acid sits in your skin, what trials of 120 mg and 240 mg a day by mouth measured, and why it shares a portion with marine collagen.

Woman in her fifties in profile with chin lifted, fingers resting along her jawline, skin glowing
Skin

Collagen for skin firmness and elasticity: what the trials measured

Firmness is what you feel, elasticity is what studies measure: the trials, and the 81% of women who reported firmer skin in 8 weeks.

Woman in her forties running her fingers through long glossy dark hair and smiling playfully
Ingredients

Biotin for hair, skin and nails: what it does, and what it does in Core™

Biotin is a B vitamin with two authorised beauty claims, one for hair and one for skin. Here is the wording, the science behind it and where nails fit in.

Three women in their forties and fifties laughing together, each holding up a small glass of liquid collagen
Choosing

Types of collagen: I, II and III explained

Where types I, II and III sit in your body, which type your skin is built from, and why a skin drink uses types I and III.

Woman in her forties with glasses in her hair turning a small glass of collagen drink with a curious smile
Questions

Do collagen supplements work? What the trials show

Two pooled analyses, six single studies and the 95% of 106 women who felt the appearance of their skin improved after 8 weeks on our liquid marine collagen.

Blonde woman in her forties smiling into her phone as she takes a selfie, hand on her cheek
Results

Collagen before and after: 8 weeks in photos

Before and after photos of skin, hair and nails from two 8-week studies of our liquid marine collagen, with the figures 106 women reported.

Woman in her fifties in sand-coloured clothes stretching both arms overhead with a confident smile
Menopause

Bones and muscles after menopause: what vitamin D and vitamin C do

The authorised wording for vitamin D and vitamin C on bones, muscle and cartilage, and the 60 µg and 120 mg in one Core™ portion.

Laughing woman in her forties flexing one arm playfully and holding a ripe pear in the other hand
Energy

B vitamins and metabolism: how your body turns food into energy

What vitamin B5, B6, B12, biotin and vitamin C do in energy-yielding metabolism, in the authorised wording, with the amount of each in one portion.

Woman in her fifties with silver-blonde hair and a berry-red scarf smiling over her shoulder
After 50

Collagen after 50: what trials in women aged 45 to 65 show

The trials that enrolled women in their fifties and sixties, what was still measurable four weeks after the last dose, and the nutrients in Core™ for this stage.

Grinning woman in her fifties tapping her temple with one finger, a small berry-red drink in her other hand
Energy

Vitamins for brain fog: the words the EU claims list uses

The three authorised wordings for mental performance, psychological function and the nervous system, and the nutrients in Core™ that hold each.

Woman in her fifties gathering long thick hair into a loose knot with a teal ribbon, laughing at the camera
Hair

Vitamins for hair shedding: what biotin, selenium and collagen have behind them

The two nutrients in Core™ that carry an authorised hair claim, where a hair grows from, and what two collagen trials measured.

Blonde woman in her forties in a black top turning an amber glass pack in her hand with a knowing smile
Menopause

Vitamin B6, B5 and hormones: what the authorised claims say

The exact authorised wording for vitamin B6 and pantothenic acid, what EFSA based each line on, and how much of both is in one Core™ portion.

Woman in her fifties with a short silver bob holding a pack of liquid marine collagen beside her face
Choosing

Liquid marine collagen: a guide to collagen portions

What a collagen portion is, what the words on the pack mean, everything inside one serving and how a pack fits into your day.

Two women in their forties and fifties looking together at a pack of liquid collagen and smiling
Choosing

How to choose a liquid collagen: 6 things to check on the label

A buyer's checklist of 6 things to read on a liquid collagen label, each one explained and answered for Core™.

Woman in her fifties with a rolled yoga mat under her arm and a small glass of berry-red drink, smiling
Menopause

Menopause and metabolism: the nutrients in Core™ with authorised roles

One map of the nutrients in Core™ with authorised roles for energy-yielding metabolism, hormonal activity and thyroid function, and the amount of each in a portion.

Woman in her fifties tying back her long honey-brown hair with both hands and a bright energetic smile
Menopause

Menopause fatigue and brain fog: the vitamins in Core™ and their authorised wording

One table: the authorised EU wordings on tiredness and mental performance, the vitamins in Core™ that hold them, and the amount of each in a portion.

Woman in her fifties with silver hair running her fingers through it and smiling, in a deep teal blouse
Menopause

Menopause hair thinning: what has been counted, measured and authorised

One prevalence study, two collagen hair trials and two authorised nutrient claims, read for your hair at this life stage.

Two women laughing together, one holding a notepad and pencil, the other a small glass of berry-red drink
Menopause

Menopause vitamins checklist: what is in Core™, line by line

One table for label readers: each area from skin to thyroid function, the nutrient in Core™, its amount, and the authorised EU wording word for word.

Two women with auburn and silver hair laughing arm in arm, each holding a small glass of berry-red drink
Energy

Vitamins for the immune system: the five in Core™, word for word

Vitamins C, D, B6, B12 and selenium: the five nutrients in Core™ with the EU wording on the immune system, and the amount of each per portion.

Three women in their forties and fifties laughing together, one holding up a small glass of berry-red collagen drink
Ingredients

Collagen, vitamin C and hyaluronic acid: why Core™ carries all three

Why one portion holds collagen, vitamin C and hyaluronic acid: the separate evidence behind each, and the trials that tested whole combination drinks.

Woman in her forties holding an amber pack of liquid collagen beside her face and pointing at it, smiling
Choosing

What is hydrolysed collagen? Peptides, daltons and low molecular weight explained

A plain-English glossary of five collagen label words: collagen, hydrolysed, peptides, daltons and low molecular weight.

Close portrait of a woman in her fifties with a silver-blonde bob, chin on her hand, natural glowing skin
Questions

What is collagen, and what does it do?

The beginner's page: what collagen is, where your body keeps it, what a supplement contains and what the trials measured.

Woman in her forties sweeping glossy auburn hair back with one hand, short natural nails showing
Ingredients

Selenium for hair and nails: the authorised claims, word for word

Selenium is the one nutrient in Core™ with both a hair claim and a nail claim. Here are the exact words, and the 27.5 µg in every portion.

Woman in her fifties with auburn hair laughing and holding half a blood orange beside her glowing skin
Skin

Antioxidants for skin: what vitamin C and selenium are authorised to say

The one authorised antioxidant wording, the two nutrients in Core™ that carry it, and the separate claims that name skin.

Blonde woman in her fifties in a teal blouse holding up a pack of collagen with vitamins and pointing at it
Ingredients

Collagen with vitamins: what each one in a Core™ portion does

The seven vitamins and minerals in a Core™ portion, one by one: the amount, what each nutrient is, and the wording the EU authorises for it.

Blonde woman in her forties touching her cheek and smiling, a small glass of collagen drink in her other hand
Choosing

How our collagen is tested: the user trial and the clinical study

The two 8-week studies of our liquid marine collagen formula, who ran them, what 106 women reported and what skin imaging showed.

Woman in her forties with an auburn bob smiling and cradling liquid collagen
Questions

Collagen course: how long to take it, and what trials found after the last dose

How long the collagen trials ran, what they measured four weeks after the last dose, and what a 60-day course of Core™ is.

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Questions

What age should you start taking collagen? The ages the trials enrolled

When skin's own collagen begins to change, and the youngest and oldest ages the collagen trials enrolled, study by study.

Two friends laughing cheek to cheek, soft fine lines showing at the corners of their eyes
Skin

Collagen for crow's feet and the eye area: what the trials measured

Only the studies that took their wrinkle reading at the eye: crow's feet, eye-wrinkle volume and the imaging from our own clinical study.

Woman in her fifties with a dark bob holding up a measuring cap of berry-red collagen drink and smiling
Choosing

Is 10,000 mg of collagen enough? What the high-dose trials measured

What the trials at 8 g to 10 g of collagen a day measured, how a label writes a high dose, and what fits into one portion.

Three women in their forties and fifties laughing together as one shares marine collagen reviews on her phone
Results

Liquid marine collagen reviews: what women say and report

Verified buyer reviews, published accounts by beauty editors and writers, and what 106 women reported after 8 weeks, each labelled for what it is.

Silver-haired woman in her fifties crouching easily and lifting a small glass of berry-red drink
Energy

Collagen for joints: what the authorised claims and our trial say

The authorised vitamin C wording for cartilage, where each collagen type sits in the body, and the vitamin C and vitamin D in one Core™ portion.

Two laughing women toasting with a small glass of collagen drink and half an orange
Questions

What to take with collagen: vitamin C, biotin and what the trials used

What the collagen trials paired it with, why vitamin C is the nutrient people name, and what is already inside one Core™ portion.

Woman in her fifties with a silver bob holding a berry-red collagen drink and a glass of water side by side
Choosing

Collagen vs hyaluronic acid: which does what?

One table sets collagen beside hyaluronic acid: what each is, where your skin keeps it, and what trials of each by mouth measured.

Woman in her fifties with a dark bob touching her cheek with her fingertips and laughing, natural skin
Results

Signs collagen is working: what women said they noticed

What 106 women reported after 8 weeks, what four writers noticed month by month, and a simple way to keep your own record.

Dark-haired woman in her forties in a black top turning with a calm smile, holding a small berry-red drink
Energy

Vitamins for the nervous system: the ones in Core™, and the wording each one carries

One authorised EU wording, the vitamins in Core™ that carry it, what each of them is, and the amount of each in a portion.

Woman in her forties in a black top holding a pack of liquid collagen beside her face and smiling
Routine

The 60-day collagen routine: one portion a day, every day

Shake, pour, drink, chill: the daily steps, the course week by week, and the 99% of 106 women in our user trial who found our liquid marine collagen easy to include in their daily routine.

Silver-haired woman in her fifties standing tall and lifting a small glass of liquid collagen in a toast
Ingredients

Vitamin D and collagen: what vitamin D does in your daily portion

What vitamin D is, six claims it is authorised to carry, what EFSA concluded for bones and muscle function, and the 60 µg in each Core™ portion.

Woman in her late forties in a black tee laughing as she gathers her long dark hair into a ponytail
Menopause

Collagen in perimenopause: what the trials enrolled, and from what age

The collagen trials that enrolled women from 35, 40 and 45 upwards, what each one recorded, and what else is in a Core™ portion.

Elegant silver-haired woman in a black top raising a small glass of collagen drink and smiling
After 60

Collagen after 60: the trials whose age ranges reach 65, 70 and 75

The collagen trials whose age ranges run to 65, 70 and 75, what each measured, and the Core™ nutrients with claims for bones and muscle.

Woman in her mid-thirties with wavy honey-brown hair laughing and holding a small glass of berry-red collagen drink
In your 30s

Collagen in your 30s: the trials that enrolled from 30 and 35

The published collagen trials whose age range opens at 30, 31 or 35: who took part, what they took and what each study measured.

Woman in her fifties with long silver hair laughing as she shakes a pack of liquid collagen
Questions

How to take liquid collagen: shake, pour, drink

The short version: shake, pour a portion into the cap, and drink it straight or stirred into water or a smoothie.

Three women in their forties and fifties laughing together, one holding a small glass of collagen drink
Choosing

Best collagen for women: what the trials in women used and measured

The trials that enrolled only women, in one table: who took part, which collagen, how much a day and what was measured.

Man in his forties with greying hair and stubble holding a small glass of collagen drink
Audiences

Collagen for men: what the studies that included men show

An honest look at the collagen research that enrolled men: blood studies, skin trials in men and women, and the authorised nutrient claims.

Woman in a black top and cream trousers walking barefoot, laughing back over her shoulder
Skin

Collagen for cellulite: what the one trial found

One placebo-controlled trial of 105 women tested collagen peptides for cellulite over 6 months: who took part, what was taken and what the score showed.

Woman in her forties taking an amber collagen pack from the fridge, smiling, a round wall clock behind her
Questions

When to take collagen: morning or evening?

Morning, bedtime, with a meal or simply once daily: the routine each published skin trial set for its collagen, side by side.

Woman dabbing face cream on her cheek while holding a small glass of collagen drink, smiling
Questions

Collagen drink or collagen cream: which does what?

Two routes for one ingredient: what a cream does at the skin's surface, what was measured after a collagen drink, and the study that set them side by side.

Woman in her forties holding a small plain glass jar in each hand and comparing them with a playful smile
Choosing

Vegan collagen vs marine collagen: what each one is

What collagen is, what the products called vegan collagen are, what marine collagen is, and which of them is in Core™.

Woman in her forties with auburn hair holding a glass of berry-red collagen drink and a mug of broth, smiling
Choosing

Collagen vs gelatin vs bone broth: one family, three forms

Gelatin, hydrolysed collagen and bone broth side by side: what each one is, how it is made, how it behaves in water and how the amount is known.

Woman in her fifties with auburn hair turning a collagen pack to look at the back with a half smile
Questions

Is collagen a protein? Protein, sugar and fat in a collagen portion

A label-reading page: why collagen counts as protein, what one Core™ portion lists for protein, sugar and fat, and what those label terms mean in EU rules.

Woman in her forties with a honey-brown bob lifting a measuring cap of berry-red drink to her lips, smiling
Energy

Vitamin C and iron absorption: what the EU list says, word for word

The authorised sentence on vitamin C and iron absorption, the two on B6, B12 and red blood cells, and the amounts in one Core™ portion.

Woman in her forties laughing with a bowl of red berries and half an orange, foods linked to collagen
Routine

Collagen-rich foods, and what your body builds its own collagen from

Where collagen is found in food, the amino acids and vitamin C your body uses to make its own, and what a Core™ portion adds to the day.

Woman in her fifties with wavy hair holding a pack of liquid collagen close to her shoulder and smiling
Questions

How to store liquid collagen, and keep it in view

Where to keep liquid collagen once it is open, and how to place it so your daily portion becomes a habit.

Woman in her fifties sipping liquid collagen from a measuring cap with a look of pleasant surprise
Questions

What does liquid collagen taste like? Berry, in our case

Core™ has a natural berry flavour and is sugar free: one buyer's verdict on the taste, three ways to drink it, and what the label words mean.

Woman in her forties with a ponytail tapping her watch while holding a small glass of collagen drink
Routine

How to stay consistent with collagen: a daily habit that looks after itself

Why the collagen trials used a daily amount, and eight plain ways to make one portion a day the easiest part of your routine.

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Routine

An 8-week collagen plan before a wedding or event

Count back from your date: what to do at 8 weeks, 4 weeks and the week itself, and what named studies recorded at each point.

Woman in her fifties with auburn hair turning her cheek to the camera, fingertips on her skin
Skin

Collagen for dark spots and uneven skin tone: what skin imaging showed

The 8-week clinical study of our liquid marine collagen, the cheek imaging pair from it, and what 106 women said about how their skin looked.