Skip to content

Free delivery on orders over £45

Health tests
Conditions
- General Health
  
  General Health Hub
  Cystitis/UTI Treatment
  Acid Reflux
  Acne
  Migraines
  Diarrhoea
  Hayfever
  Rosacea
  Warts/Verruca’s
  Fungal Infections
  Flu
  Nausea
  Scars, Cellulite & Stretch Marks
- Men's Health
  
  Men's Health Hub
  Erectile Dysfunction
  Hair Loss
  Premature Ejaculation
- Sexual Health
  
  Sexual Health Hub
  Chlamydia Treatment
  Genital Herpes
  Genital Warts
  Erectile Dysfunction
  Contraception
  Premature Ejaculation
- Travel Health
  
  Travel Health Hub
  Malaria Tablets
  Traveller’s Diarrhoea
  Bites and Stings
  Travel Sickness
  Altitude Sickness
- Weight Loss
- Well Being
  
  Weight Loss
  Quit Smoking
  Eye Care
  Ear Care
  Nasal Care
  Skin Care
  Acne
  Mouth Care
  Foot Care
  Hair Removal
- Women's Health
  
  Women's Health Hub
  Contraception
  Cystitis/UTI Treatment
  Period Delay
  Thrush Treatment
  Morning After Pills
  Bacterial Vaginosis
  Hair Removal
Shop
Supplements
Brands
Health Library
Login

Health tests
Popular categories
All Blood Tests

Women’s Health

Men’s Health

Nutrition & Intolerance

Sexual Health

General Health

Fertility

Sports Performance

view all

Women's Health Tests

All Women's Tests
Well Woman
Female Fertility Tests
Progesterone Test
Female Hormone Test
Menopause Test
AMH Test
Oestradiol Test
Thyroid Health Test
Day 3 Fertility Blood Test
Ovulation Progesterone Blood Test
Female Hair Loss Blood Test
AMH Blood Test
Perimenopause Test
Health and Lifestyle Blood Test
Ferritin (Iron) Blood Test
Vitamin D Blood Test
Full Blood Count (FBC) Blood Test
Cortisol Blood Test
HBA1C (Diabetes) Blood Test
Weight Loss Blood Test

All Men's Tests
Wellman Test
Testosterone Test
Advanced Thyroid Blood Test
Liver Blood Test
Male Hormone Test
Thyroid Blood Test
Welzo Full Body MOT Health Check
Free Testosterone Test
TRT Blood Test
Sports Hormone Blood Test
Erectile Dysfunction Test
Hair Loss Test
SHGB Test
Fear Nothing Test
Bodybuilder Blood Work
Cholesterol Blood Test
Hair Loss Blood Test
Health and Lifestyle Blood Test
Blood Work for PEDs
Testosterone and Cortisol Blood Test

All Nutrition Tests
Food Intolerance Test
Vitamin D
Allergy Testing
Allergy & Intolerance Test
Cholesterol
Food Intolerance
Iron Deficiency
Magnesium
Omega 3 & 6 Test
Pre-Diabetes (HBA1C)
Vitamin Deficiency
Vegan Test
Combined Allergy and Intolerance Blood Test
Health and Lifestyle Blood Test
Premium Intolerance Test
Uric Acid Blood Test
Environmental Intolerance Test
Nutrition & Vitamin Blood Test
Gut & Mood Combo Test
Food Sensitivity Test

All Sexual Health Tests
Hepatitis B
Hepatitis C
IVF Blood Screen
Erectile Dysfunction Test
BBV Testing
Immunity Screen (MRV)
Advanced 11 Sexual Health Test
Standard 7 Sexual Health Test
Day 3 Fertility Blood Test
Pregnancy Blood Test
Chlamydia and Gonorrhoea Test
Sexual Health Test 4
Syphilis Test

All Health Tests
Health MOT Check
Heart Health
Liver Health
Kidney Health
Cholesterol
Diabetes
Energy & Fatigue
Thyroid Health
Welzo Well-Human: Advanced Blood Test
FBC Test
AMH Blood Test
Bowel Cancer Home Test
Cortisol
Health and Lifestyle Test
Advanced Free Testosterone
Full Blood Count (FBC) Blood Test
Wellman Test
Well Woman Blood Test
Food Intolerance Test
DHEA Sulphate (DHEAS) Blood Test
PSA Test

All Fertility Tests
Female Fertility Test
Male Fertility Test
Ovulation Progesterone Test
Oestradiol Test
IVF Screen Blood Test
Progesterone Test
Prolactin Blood Test
AMH Blood Test
Day 3 Fertility Blood Test
Female Hormone Blood Test
Health and Lifestyle Blood Test
IVF Screen Blood Test
Oestradiol Progesterone and Prolactin Blood Test
Ovulation Progesterone Blood Test
Pregnancy Blood Test
Prolactin Blood Test
Cortisol Blood Test
Advanced Testosterone Test

All Sports Tests
Advanced Sports & Fitness Performance Test
Advanced Testosterone Test
Sports Hormone Test
Testosterone Blood Test
Male Hormones
Female Hormones
Blood Work for PEDs
HRT Blood Test
Cortisol Blood Test
Advanced Thyroid Blood Test
Welzo Full Body MOT Health Check
Tiredness and Fatigue Blood Test
Cholesterol Blood Test
Bodybuilder Blood Work
Conditions
Popular categories
General Health

Men's Health

Sexual Health

Travel Health

Weight Loss

Well Being

Women's Health

view all

General Health Hub
Cystitis/UTI Treatment
Acid Reflux
Acne
Migraines
Diarrhoea
Hayfever
Rosacea
Warts/Verruca’s
Fungal Infections
Flu
Nausea
Scars, Cellulite & Stretch Marks

Men's Health Hub
Erectile Dysfunction
Hair Loss
Premature Ejaculation

Sexual Health Hub
Chlamydia Treatment
Genital Herpes
Genital Warts
Erectile Dysfunction
Contraception
Premature Ejaculation

Travel Health Hub
Malaria Tablets
Traveller’s Diarrhoea
Bites and Stings
Travel Sickness
Altitude Sickness

Weight Loss
Quit Smoking
Eye Care
Ear Care
Nasal Care
Skin Care
Acne
Mouth Care
Foot Care
Hair Removal

Women's Health Hub
Contraception
Cystitis/UTI Treatment
Period Delay
Thrush Treatment
Morning After Pills
Bacterial Vaginosis
Hair Removal
Shop
Popular categories
Pets

Trending Now

Allergy & Hay Fever

Baby & Child

Cough, Cold & Flu

Eye, Ear & Foot Care

Female Health

Hair Care

Health & Wellbeing

Pain Relief

Skincare

Smoking Support

view all

Pet Supplements
Pet Omega's
Pet Probiotics
Pet Vitamins & Minerals
Pet Dental Care
Pet Calming
Pet Skin & Coat Care
Pet Grooming
Equine Care
Rabbit Care
Pet & Dog Treats
Flea and Tick Defence
Cat Care & Treats
Protexin
Drontal
FurBabies

Testosterone Supplement
Akkermansia - Pendulum
PectaSol-C Citrus Pectin
Full Body Health Check
Advanced Thyroid Test
BioRay
Wellman Test
Wellwoman Test
Ferrous Sulfate 200mg
Allithiamine Vitamin B1
Hormone (DIM) Advantage
Allergy and Intolerance Test
Guaifenesin ProHealth
Pylori-X BioMatrix
Drontal Dronspot for Cats
Glucogel Dextrose
QV Cream

Allergy Syrups
Allergy Tablets & Capsules
Allergy Wipes and Tissues
Children's Allergy
Allergy Eye Drops
Nasal Sprays

All Baby & Child
BioRay
Baby & Child Skin Conditions
Children's Allergy & Hay Fever
Children's Cough, Cold & Flu
Children's Fever & Pain Relief
Children's First Aid
Colic
Teething
Nappy Rash
Nits & Lice Removers
Aptamil
Baby DHA & Omegas
Baby & Child Calcuim
Baby & Child Toothbrushes
Johnson's Baby
Baby & Child Minerals
Pampers
Baby Lotion & Cream
Baby Formula
Baby Wipes
Baby Toothpaste & Gel
Baby & Child Multivitamins
Sleep for Babies & Children
Baby Diapers & Nappies
Baby Feeding & Weaning

All Cough, Cold & Flu Products
Blocked Nose
Cough Sweets & Lozenges
Cough Medicine
Nasal Congestion & Decongestants
Sore Throat

Athletes Foot
Blister Plasters
Corns, Callouses & Bunion
Eye Drops
Ear Wax Removal
Eye Infections
Fungal Nail Infections
Irritated Eyes

Feminine Wash & Wipes
Menstrual Care
Period Pain
Vaginal Health
Stretch Marks
Pregnancy & Maternity

Dry Scalp Treatment
Hair Care
Hair Growth
Hair Removers
Hair Thinning Medicine
Medicated Shampoo
Shampoo & Conditioner

Blood Pressure Monitors
Respiratory Devices
Medical Equipment
Vitamins & Supplements
Fragrances & Perfume

Back Pain
Children's Fever & Pain Relief
Drug Free Pain Relief
Ibuprofen
Joint Pain
Oral & Toothache Pain
Paracetamol
Period Pain

After Sun
Anti-Ageing
Baby & Child Skincare
Body Skincare
Facial Skincare
Fungal Infections
Hand Cream
Lip Care
Men's Skincare
Moisturisers
Oils
Sensitive & Allergy-Prone
Skin Conditions
Stretch Marks
Suncream
Sweating Relief

Nicorette
Nicotine Gum
Nicotine Lozenges
Nicotine Patches
Supplements
Popular categories
Categories

Vitamins

Minerals & Mushrooms

Sports Supplements

Popular

Welzo Brand

Mens
Womens
Collagen
Detox and Cleansing
Gut Health
Energy & Vitality
Heart Health
Immunity
Joint & Bones
Nootropics
Pet Supplements
Protein Supplements
Sleep & Relaxation
Multivitamins
Sports Supplements
Vitamin D
Weight Support
Omega-3
Hair, Skin and Nails
Prenatal Vitamins
Probiotics
Iron
Calcium
Zinc
Testosterone
Mushrooms
Superfoods
MCT Oil

All Vitamins
Vitamin A
Vitamin B
Vitamin B12
Vitamin C
Vitamin B Complex
Vitamin B2 (Riboflavin)
Vitamin B5
Vitamin B6
Vitamin B9 (Folate)
Vitamin E
Vitamin D
Vitamin K
Prenatal Vitamins
Children's Vitamins
Men's Vitamins
Women's Vitamins
Hair & Skin
Biotin
Folic Acid
Multivitamins
Antioxidants
Lutein
Astaxanthin
Beta-Carotene
Carnitine
Quercetin
Selenium
Chromium
Potassium

All Minerals
Calcium
Chromium
Folic Acid
Iodine
Iron
Magnesium
Minerals
Molybdenum
Potassium
Selenium
Trace Minerals
Zinc
Sea Moss
Choline
Silver
Silica
Manganese
Children's Minerals
Copper
Phosphorus
Boron
Fluoride
Chloride
All Mushrooms
Reishi
Lions Mane
Cordyceps
Chaga
Maitake
Turkey Tail

All Sports
Amino Acids
BCAA
Creatine
Intra-Workout
Keto Protein
Pre-workout
Post Workout
Protein
Protein Bars
Protein Shakes
Post Cycle Recovery
Turkesterone
Vegan & Plant
Mass Gainers
Muscle Pump
Testosterone Support
Liver Support
Lifting Belts
Glutamine
Electrolytes
NitricOx Boosters
ZMA
Caffeine
Casein Protein
L-Carnitine
Ashwagandha
Shaker Bottles
Testosterone
Whey
Casein
Protein Bars
Mass Gainers

Digestive Health
Biotin
Collagen
Folic Acid
Nose to Tail
Omega-3
Probiotics
Ashwagandha
Multivitamins
Glucosamine
BioRay
Lamberts
Pure Encapsulations
Welzo
Drontal
Pets
ProHealth
Klaire Labs
Econugenics
Pendulum
Life Extensions
Swanson
BioMatrix
NOW Foods
Quicksilver
Doctor's Best
Ancestral
Kirkman
Nordic Naturals
Allnutrition

Mens
Womens
Sports
Herbal
Vitamins & Minerals
General Health
Pets
Probiotics
Mushrooms
Collagen
Brands
Popular categories
A - D

E - L

M - P

Q - Z

Algonot
Allnutrition
Ancient Minerals
Ancestral Supplements
APE Nutrition
Applied Nutrition
Aymes
BioBran
Bio Care
BioMatrix
BioRay
BioTechUSA
BodyBio
Compeed
Conceive
Covonia
Dettol
Doctor's Best
Dove
Drontal

Econugenics
Ecological Formulas
G&G Vitamins
Herb Pharm
Himalaya
Jarrow Formulas
Kalms Day
Kiki Health
Kirkman
Klaire Labs
Lamberts
Life Extensions
Lipolife

Microbiome Labs
MooGoo
Mutant
MyProtein
Natures Way
New Beginnings
New Roots Herbal
Nordic Naturals
NOW Foods
Nutricology
Nutri Advanced
Nutrend
Numark
Osavi
Palmer's
Priority One
ProHealth
Protocol for Life
PectaSol-C
Pro Tan

Quicksilver
Regency Organics
Researched Nutritionals
SciTec
Scholl
Seeking Health
SmartShake
Solaray
Source Naturals
Stute
Suresign
Swanson
TENA
Thorne
Toxaprevent
Trained by JP
Tris-NAC
Trec Nutrition
Vizulize
Warrior
Weider
Welzo Tests
Welzo Vitamins
Health Library
Login

13,000+ reviews

Item added to your cart

View cart

Weight Loss: Definition, Types, Causes, Symptoms, and Diagnosis

Authored by

Dr Muhammad Zeeshan Afzal

Dr Muhammad Zeeshan Afzal

12 May 2023