science

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

31%

Blood Vessel Widening

13%

LDL, the Bad Cholesterol

44%

Exercise-induced muscle damage

5x

More effective than plain L-arginine

How long does it take to Feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

Energy and focus. Morning fatigue starts improving as cellular energy switches on.

Blood flow support builds. Everyday energy and confidence start to feel steadier.

Aged black garlic and grape seed do their daily work on heart and cholesterol support.

The full window. Cholesterol and blood pressure studies run to about here. Check your numbers with your doctor.

Blood Flow

Nitrosigine vs Citrulline Malate
A small dose matched more than five times
the amount of a common flow ingredient.
Source

1.5g = 8g

Heart and Cholesterol

Garlzac
Triglycerides fell over a 12-week window, alongside lower blood pressure.
Source

12.3%

Training and Recovery

Nitrosigine · post-workout
Cognitive health after exercise improved, with more perceived energy and focus.
Source

33%

Drive and Vitality

Fenugreek
Free testosterone rose over 8 weeks in the fenugreek study.
Source

98.7%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

Nitrosigine

Blood Flow, Energy, Recovery

Garlzac (Aged Black Garlic Extract)

Heart, Cholesterol and Oxidative Stress

Fenugreek

Testosterone and Muscle Recovery

Tribulus Terrestris

Libido, Antioxidant, Sexual Health

Grape Seed

Heart Health and Stress

Heart Health and Stress

Zinc

Testosterone and Antioxidant

Testosterone and Antioxidant

Selenium

Antioxidant

Antioxidant

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

50%+

Fulvic Acid

138.7%

Stronger Bench Press with Training

40+

Trace Minerals From Pure Shilajit

3.5pts

Lower Body Fat, With Training

How long it takes to feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

The daily scoop settles into the routine. Easy to mix, easy to keep up.

Everyday energy and drive start to build as the minerals and actives do their daily work.

Strength and testosterone. The strength and testosterone studies run to around here.

Full Vitality. Testosterone was measured over 90 days, with steady daily support beyond.

Fulvic Acid

PrimaVie Standardization
Shilajit's active compound, at least half of the extract.
Clinical Study on File

50%

Tested Pure

PrimaVie Purity Spec
Lab specification of under 1 ppm lead and arsenic, and under 0.1 ppm mercury.
Clinical Study on File

<1ppm

Stay Strong when Tired

PrimaVie
Less maximal strength lost to fatigue after 8 weeks.
Clinical Study on FIle

44%

Bigger Arms

KSM-66
Arm muscle size grew over 8 weeks of training with ashwagandha.
Source

11.5%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

PrimaVie Shilajit

Testosterone. Fertility. Strength. Minerals

Testosterone and DHEA-S
Sperm Count and Male Fertility
Fatigue-Related Strength Loss
Muscle Collagen-Gene Expression
Standardisation, Fulvic Acids and Minerals

KSM-66 Ashwagandha

Testosterone. Strength. Stamina Stress. Sleep

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

22%

Drive and Libido

2x

Stamina and Strength

200mg

CoQ10 for Longevity and Cellular Energy

100mg

L-Theanine for Sleep and Calm

How long does it take to Feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

Energy and focus. Morning fatigue starts improving as cellular energy switches on.

Drive builds. Stamina improves through the day and Testofen support builds testosterone and drive.

Recovery, sleep and balance. Better sleep and faster recovery, as testosterone and sperm-quality studies run to around here.

Long-term vitality. Drive, energy and reproductive support hold steady with daily use.

Drive and Libido

Testofen
Higher overall male libido score in the Testofen study.
Source

22%

Stamina and Strength

Testofen 300 mg
Greater gain in stamina over 8 weeks versus placebo.
Source

2x

Longevity and Cellular Energy

CoQ10 QONTAN per serving
CoQ10 raises cellular ATP and supports antioxidant defence day to day.
Source

200mg

Sleep and Calm

L-Theanine per serving
L-Theanine and magnesium support calm and better sleep quality without drowsiness.
Source

100mg

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

Testofen

Testosterone. Drive. Strength

Myo-inositol

Sperm Motility. Quality

CoQ10

Cellular Energy. Sperm Quality

Sperm Count, Quality, Motility, Morphology

Cordyceps

Stamina. Energy. Sperm Quality

Acetyl L-Carnitine

Sperm Health. Antioxidant

L-Theanine

Calm. Sleep

Stress and Sleep Support

Magnesium

Recovery. Energy. Sleep. Sperm Health

Lycopene

Antioxidant. Sperm Quality

Vitamins B6

Cognitive Health. Energy

Cognitive Health

Vitamin B9

Cognitive Health. Energy

Cognitive Health

Vitamin B12

Cognitive Health. Energy

Cognitive Health

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

5.1x

Longer staying-power time

106%

Better ejaculatory control

80%

Rise in plasma serotonin

11%

Higher exercise blood flow

How long it takes to feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

The daily habit settles. Many men notice better sleep and a steadier, calmer mood first.

Control builds. You feel less rushed and more present, and performance pressure starts to ease.

Confidence grows. Staying-power support feels consistent, and vitality builds over the eight-week window.

Presence locks in. Being unhurried becomes the default as serotonin-pathway support settles.

Staying Power

Synura Forte
Longer time to finish in the first 28 days, building further by day 56.
Clinical studies on file

3.3x

Control and Satisfaction

Synura Forte
Higher self-reported sexual satisfaction over the 56-day study.
Clinical studies on file

72.1%

Calm and Recovery

L-Tryptophan
Shorter post-ejaculatory recovery time as serotonin support builds.
Source

64%

Blood Flow

L-Citrulline
Higher plasma arginine within 14 days, the raw material for nitric oxide.
Source

35%

Drive and Vitality

Tesnor
Higher free testosterone over the 56-day Tesnor study.
Source

48.3%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

L-Citrulline

Blood Flow. Circulation

Synura Forte

Staying Power. Control. Satisfaction

Staying Power and Control

Tesnor

Testosterone. Strength. Stress

Testosterone, Muscle Strength, Stress

L-Tryptophan

Serotonin. Mood. Calm

Serotonin, Mood and Anxiety

Pomegranate

Antioxidant

Antioxidant

Grape Seed

Antioxidant. Stress

Antioxidant and Stress

Beta Carotene

Antioxidant. Stress Support

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

700%

Higher plasma folate than folic acid

83.8%

Less menstrual pain in 2 cycles

66%

Higher estradiol in 8 weeks

2000mg

Full PCOS-studied dose

How long it takes to feel the difference

4WEEKS

8WEEKS

12WEEKS

6MONTHS

Rhythm begins. Myo-inositol supports the signalling behind ovulation, so cycles start becoming more predictable.

Comfort and metabolism. Ginfort eases cramps and bloating as insulin response improves and cravings ease.

Steadier mood and desire. Libifem supports desire and energy across the cycle.

Balance holds. The hormonal systems settle with consistent daily support.

Desire and Energy

Libifem
Higher self-reported sexual arousal in the Libifem study in women
Source

32%

Egg Quality

CoQ10
CoQ10 supports ovarian reserve and egg quality as an antioxidant.
Source

200mg

Insulin and Metabolism

Myo-Inositol
Lower insulin resistance on the HOMA index in women with PCOS.
Source

75%

Ovulation

N-Acetyl Cysteine
Higher ovulation odds in women with PCOS in a controlled study.
Source

3.1x

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

Myo-Inositol

Hormonal Balance. Insulin. Ovulation

Libifem

Estrogen Balance. Desire. Menopause

N-Acetyl Cysteine

Ovulation. Antioxidant. Skin

CoQ10

Ovarian Reserve. Egg Quality

Ovarian reserve and egg quality

Ginfort

Period Comfort. Antioxidant

Quatrefolic

Active Folate. Metabolic Health

Chasteberry

Cycle Regularity. PMS

Chromium Picolinate

Insulin. Hormonal Balance

Zinc

Hormonal Balance. Ovulation

Hormonal Balance and Ovulation

Probiotics

Gut-Hormone Axis. Ovulation

L-Theanine

Calm. Oxidative Stress

Oxidative Stress

Selenium

Antioxidant. Hair

Alopecia and Antioxidant

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

78%

Fewer UTI symptoms within 3 days

84%

Less period pain in 2 cycles

6.7→5.8

Restored the protective acidic pH range

60%

Of women reached normal flora in 6 weeks

How long it takes to feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

Daily freshness and comfort begin as the routine settles in.

Colonisation begins. The probiotic strains establish and FOS feeds them, so the protective acidic pH starts to hold.

Freshness settles. Odour, discharge and dryness reduce as the microbiome balances, and period comfort builds over cycles.

Stable pH and balance. Flora balance holds and daily support feels steady.

Recurrence

Cranberry
Lower risk of recurrent UTIs in women taking cranberry.
Clinical Study on file

26%

Freshness and Comfort

Hibiscus
Better lubrication and everyday comfort in the Hibiscus study.
Source

57%

Flora and pH support

Probiotic Blend
Four clinically studied lactobacilli strains, with FOS to feed them.
Source

7Bn CFU

Period Energy

Ginfort, Patented Ginger
Lesser Cramps, Period Discomfort and fatigue within two cycles.
Clinical Study on file

91.7%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

Hibiscus

Vaginal Health. pH. Comfort

Probiotic Blend

Flora. pH Balance

Vaginal Health

D-Mannose

Urinary Protection

UTI (Bacterial Infection)

Cranberry

Urinary Protection. Freshness

Vaginal Odour

Ginfort

Period Comfort. Anti-Inflammatory

FOS

Prebiotic. Flora. pH

Vaginal Flora and pH Balance
Bacterial Infection

Hyaluronic Acid

Moisture. Comfort

Comfort During Intercourse

Vitamin C

Mucosal Defence. pH

pH Balance

Vitamin D2

Local Immune Support

Antifungal Activity

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

42.5%

Fewer Hot Flashes

46%

Better Sleep

52.5x

Higher Curcumin Bioavailability

13%

Lower LDL Cholesterol

How long it takes to feel the difference

2WEEKS

4WEEKS

8WEEKS

12WEEKS

The ritual settles. Sleep and stress patterns become easier to track as the daily routine locks in.

Heat feels less dominant. Hot flashes and night sweats may feel less disruptive, and daytime energy holds better.

Head and health catch up. Mood and sleep feel steadier, and joint comfort may improve.

Long-term support. Review heat patterns over time and keep heart, gut, skin and hair support going.

Intimacy and Comfort

KSM-66
Better self-reported lubrication in the KSM-66 study in women.
Source

59.4%

Energy

SoyLife
Less menopausal fatigue over the soy isoflavone study.
Source

47.5%

Calm and Rest

KSM-66
Lower anxiety and insomnia scores in the KSM-66 study.
Source

69.7%

Heart

Garlzac
Higher HDL, the good cholesterol, alongside lower triglycerides.
Clinical Study on File

11.5%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

SoyLife

Hot Flashes. Menopause Support

Menopause Symptoms

KSM-66 Ashwagandha

Sleep Mood. Intimacy

Curcugen

Joint Comfort. PMS. Absorption

Garlzac

Heart. Cholesterol

Cholesterol and Blood Pressure

Saffron

Mood. Menopause Support

Menopause Symptoms

Probiotics

Vaginal Flora. Metabolic

Vitamin E

Antioxidant. Menopause Support

Menopausal Symptoms

Biotin

Skin. Hair. Nails

Skin, Hair and Nail Health

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

3 Studies Across 1000 Participants

Participants reported visible improvements in their Blood Flow, Heart Health and Gym Perfromance.

59.7%

Better overall skin health in 90 day.

90%

Of users felt less impact of joint problems on daily life

78%

Less knee pain in 90 days

92%

Less muscle loss during inactivity

How long it takes to feel the difference

4WEEKS

8WEEKS

12WEEKS

6MONTHS

Set a baseline. Track skin feel, hair and nails, and how joints feel after rest, while the ritual settles.

Support builds. Collagen peptides, antioxidants and micronutrients become a consistent daily routine.

Glow, mobility and recovery. Skin and hair support builds, joint comfort and muscle recovery feel more useful.

The full window. Hair, nail, connective-tissue and joint changes need a longer window, commonly 45 to 90 days.

Hair

Titagen
Better overall hair health over the 90-day Titagen study.
Source

18.1%

Muscle and Strength

Calcium HMB
Lean muscle gained after 8 weeks of recovery.
Source

0.71kg

Joint Mobility

Maxicuma
Longer pain-free walking distance over the 90-day Maxicuma study.
Source

130%

Joint Structure

Unstergen
Share of users with X-ray-confirmed joint improvement.
Source

87.5%

Formula backed by published research

Browse the studies behind each active. Enlarge shows the real dose and the real source.

Titagen

Skin. Hair. Nails. Joints

Skin, Nail, Hair and Joint Wellness
Clinical Study Brochure

Unstergen

Joint. Cartilage Support

Joint pain (Osteoarthritis)
Clinical Study Brochure

Maxicuma

Joint comfort. Antioxidant

Osteoarthritis
Product Detailer

Calcium HMB

Muscle Mass. Strength. Recovery

Muscle Mass and Strength

Hyaluronic Acid

Skin Hydration. Cartilage

Proline

Collagen Synthesis

Collagen Synthesis

Leucine

Collagen. Muscle. Inflammation

Astaxanthin

Skin Health. Antioxidant

Skin Health

Magnesium

Joint Health.

Skin Health

Product reviews

I've been taking these for over a year now and noticed a difference in my hair - it grows quicker and nails are a lot stronger.

No Promises, Only Proofs.

“I can't believe such powerful ingredients can be made with super taste !” —

Magie James

Average Consumer- A USA Based Freelancer Model.

200+

Recommendations by

4.5

Based on 22,190

Erica Gilbert

Registered Nutritional Therapist

BSc Hons in Nutritional Science, dipNT, mBANT, CNHC

When a client asks me about supplements, my first question is what's actually inside. I like that in you shows its ingredients clearly and builds on research. That makes my job easier.

inyou has Transparent ingredients, real research, every day.

Suman Bhatia

Registered Nutritional Therapist

Clinical Nutritionist and Dietitian MSc Clinical Nutrition and Dietetics, RD, Life Member IDA

I always tell my clients that food comes first. But busy days leave gaps, and that's where a good supplement helps. With in you, I know exactly what's going in, and that gives me confidence to recommend it.

inyou is Smart daily nutrition for real, busy lives.

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