As women age, the decline in oestrogen is linked to decreased muscle mass and bone strength, meaning women going through the menopause should eat more protein.
Protein-rich foods such as tofu, edamame, soy, chickpeas lentils and nutritional yeast should always be included in a vegan diet, with vegan protein powder also a popular choice for supplementing protein intake.
B12 levels cannot be found in plants but can be found in fortified cereals, rice and soy drinks to promote muscle repair and energy.
People who lack the vitamin often feel tired and weak.
Dr Soble acknowledged that it can be challenging for vegans to get enough B12 because it can’t be found in plants.
People can also take a supplement, with the recommended daily amount for most adults being around 2.4mg.