Dr Ahmad Rushdhi

Dr Ahmad Rushdhi Physician Nutrition Specialist
Politician- Cambridge (UK)

27/08/2026
DaleFort
23/08/2026

DaleFort

23/08/2026

Sunrise 🌅 @ DaleFort

21/08/2026

Dr. Mahathir Mohamad served as the Prime Minister of Malaysia during two separate terms: first from July 1981 to October 2003, and later from May 2018 to February 2020.

NOT ALL HAIR LOSS IS NUTRITIONALWhen people notice hair loss, many immediately think of iron, biotin, vitamin D or zinc ...
18/08/2026

NOT ALL HAIR LOSS IS NUTRITIONAL

When people notice hair loss, many immediately think of iron, biotin, vitamin D or zinc deficiency.

NUTRITIONAL DEFICIENCY IS NOT THE MAIN CAUSE OF HAIR LOSS OVERALL.

Hair loss has many possible causes. Common conditions include hereditary pattern hair loss, telogen effluvium, alopecia areata, hormonal or thyroid disorders, traction from tight hairstyles, diseases affecting the scalp, stress, and some medications.

NUTRITIONAL CAUSES

IRON

Iron deficiency can contribute to hair shedding, particularly when there are risk factors such as heavy menstrual bleeding, restrictive diets, inadequate iron intake or problems with absorption.

Supplementation should be considered when there is an appropriate clinical diagnosis.

PROTEIN, CALORIES & WEIGHT LOSS

Hair growth requires adequate energy and protein.

Very restrictive diets, inadequate protein intake, significant calorie restriction and rapid weight loss can disturb the normal hair-growth cycle and contribute to increased shedding.

This is particularly important during weight loss and people using weight loss medications. Losing weight should not mean compromising nutritional adequacy.

ZINC, VITAMIN D & VITAMIN B12

Deficiencies may be relevant in selected individuals, especially when dietary intake is inadequate or absorption is impaired.

However, taking additional vitamins and minerals when there is no deficiency does not necessarily improve hair growth.

WHAT ABOUT BIOTIN?

Biotin is widely marketed for hair growth, but true biotin deficiency is uncommon.

Evidence supporting high-dose biotin for improving hair growth in people without a deficiency is limited. High-dose biotin can also interfere with certain laboratory tests.

USE OF SUPPLEMENTS/ HAIR VITAMINS

In evaluating the relationship between nutrition and hair loss, key considerations include:

Have dermatological causes been ruled out?
Has the individual experienced rapid weight loss?
Is protein intake sufficient?
Is the diet overly restrictive?
Is there a reasonable concern regarding iron or other nutrient deficiencies?
What is the individual's stress level?
Are there any medications being taken that could contribute to hair loss?

The aim is to identify the cause and correct a nutritional deficiency WHEN ONE IS ACTUALLY PRESENT.

Good nutrition provides the foundation for healthy hair, but nutrition is not the main explanation for hair loss overall, and supplements cannot treat every type of hair loss.

DIAGNOSE FIRST. SUPPLEMENT WHEN INDICATED.

Dr Ahmad Rushdhi
Physician Nutrition Specialist

12/08/2026
Can You Get Enough Protein on a Vegetarian Diet?Dr Ahmad Rushdhi Physician & Nutrition SpecialistA few months ago, my Gr...
02/08/2026

Can You Get Enough Protein on a Vegetarian Diet?

Dr Ahmad Rushdhi
Physician & Nutrition Specialist

A few months ago, my Grade 6 class teacher, whom I greatly respect, asked me if I could help her plan a balanced vegetarian diet. Although I have advised many patients on vegetarian nutrition over the years, her request reminded me that this is a concern shared by many people.

That conversation inspired me to write this article—not only for her, but for everyone who has chosen a vegetarian lifestyle.

People become vegetarians for many different reasons. Some do so for religious or cultural beliefs, others for ethical reasons, while many choose it because of the potential health benefits. Whatever the reason, I believe every individual's dietary choice deserves respect. My role as a physician specialising in clinical nutrition is not to influence those choices, but to help people follow them in the healthiest way possible.

Many people believe that a vegetarian diet is naturally low in protein and that eating meat is the only way to maintain muscle strength and good health. Fortunately, this is one of the commonest misconceptions in nutrition.

A well-planned vegetarian diet can provide enough protein for most healthy individuals. The key is not simply avoiding meat, but making informed food choices and ensuring that your daily protein requirements are met.

Protein is an essential nutrient required for growth, maintenance and repair of body tissues. It plays a vital role in preserving muscle mass, supporting the immune system, producing enzymes and hormones, and promoting satiety. Whether your goal is to maintain good health, lose weight, or remain physically active, consuming adequate protein every day is important.

While meat, fish and poultry are excellent sources of protein, they are certainly not the only ones. Dairy products such as Greek yoghurt, cottage cheese and paneer, soy products including tofu and tempeh, legumes such as lentils, chickpeas and beans, together with nuts, seeds and whole grains, can all make valuable contributions to your daily protein intake.

However, vegetarians should pay a little more attention to their protein intake than those who consume meat. This does not mean that a vegetarian diet is deficient; rather, it means being aware of the protein content of different foods and ensuring that each meal includes a good source of protein. With a little planning, meeting your daily protein requirements is neither difficult nor expensive.

Many people imagine vegetarian meals to be little more than rice and vegetables. In reality, vegetarian food can be colourful, delicious and rich in protein. By choosing appropriate ingredients, it is possible to prepare meals that provide around 30 grams of protein per meal while remaining balanced, satisfying and nutritionally complete.

In this post, I have shared ten vegetarian meal options, each providing approximately 400–600 kcal and at least 30 grams of protein. These meals are inspired by a variety of cuisines, including Sri Lankan, Indian, Mediterranean, Middle Eastern and Japanese, demonstrating that healthy vegetarian eating can be both diverse and enjoyable.

I hope these meal ideas show that obtaining adequate protein on a vegetarian diet is entirely achievable.

In my upcoming posts, I will discuss some of the common questions surrounding vegetarian nutrition, including protein quality, essential amino acids and naturally occurring compounds found in plant foods.

Finally, I have shared only ten meal ideas, but I know there are many more excellent high-protein vegetarian dishes. I would love your engagement. If you have a favourite high-protein vegetarian meal, please upload a photo in the comments and share it with everyone. Your ideas may inspire others who are looking for healthy vegetarian options.

Dr Ahmad Rushdhi
Physician Nutrition Specialist

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Cambridge

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