Dietary advice

The British Dietetic Association (BDA) has a wealth of information on food and nutrition.

The BDA's  Food Fact Sheets are written by dietitians to help you learn the best ways to eat and drink to keep your body fit and healthy.

BDA Food Fact Sheet topics include:

Healthy Eating & Lifestyle

Alcohol
BBQs
Breakfast
Cholesterol
Christmas
Eat Well - Spend Less
Fluid (water and drinks)
Food and mood
Fruit and veg
Healthy Eating
Heart health
Packed Lunches
Skin Health
Snacks
Sports
Vegetarian Diets

Medical Conditions 

Autism
Chronic Fatigue Syndrome
Coping with Food Allergies
Depression and Diet
Diabetes - Type 1
Diabetes - Type 2
Eating Without Wheat
Food allergy and Intolerance
Food allergy and intolerance testing
Hypertension
Irritable Bowel Syndrome
Malnutrition
Menopause
Milk Allergy
Osteoarthritis
Osteoporosis
Pollen Food Syndrome (PFS)/Oral Allergy Syndrome
Polycystic Ovary Syndrome (PMS)
Pre-Menstrual Syndrome (PMS)
Rheumatoid Arthritis

Babies, Children & Pregnancy

Babies/Children - vitamins
Breastfeeding; Children - diet, behaviour and learning
Children - healthy eating
Suitable milks for children with cows milk allergy
Pregnancy
Complementary Feeding - Weaning

Weight Loss, Detoxing & Health Claims

Detox diets
Fad diets
Glycaemic Index - GI
Supplements
Weight Loss

Nutrients in Food

Calcium
Carbohydrates
Fat
Folic Acid

Functional Foods

Cholesterol (plant stanols/sterols)
Omega-3 
Probiotics
Iodine
Labelling
Salt
Soya the Basics
Soya and Health
Sugar
Trans Fats
Vitamin D
Wholegrains

The following charities also have information on diet and lifestyle:

Coeliac UK
Diabetes UK
British Heart Foundation