If your diet lacks these essential vitamins and you are experiencing fatigue, you may benefit from an added supplement. Always consult a doctor before adding any supplements to your diet.

Vitamin B12: More common in older people, tiredness is a symptom of B12 or folate anaemia, but it's usually caused by absorption issues. Always consult a doctor if you are feeling tired to rule ...

Vegans are always being warned of the dangers of being vitamin B12 deficient, but how common is the deficiency and what impact can it have on fitness goals? SWTC investigates. We and our 45 ...