Nutrition and diet as ALS progresses

An SLP assesses swallowing function. They are the ones who recommend safe swallowing techniques and any adjustment to food textures that reduces risk. If someone tells you a texture is fine, it should be them, not a website and not another family.

Ask the clinic to refer you for a swallowing assessment as soon as eating starts to change, rather than waiting for a bad episode.

A registered dietitian sets the plan: calories, protein, fluids, and how to keep weight stable. They also advise on feeding tube management once a tube is in place.

Their guidance is personal to the person you care for, which is why nothing on this page is a substitute for it.

Whether a feeding tube is right, which type, and when to place it are medical decisions made with the neurologist and the wider clinic team, together with the person with ALS.

Timing matters and is discussed at clinic. Nothing on this page is a recommendation for or against a tube.

As the disease progresses, taking in enough calories and nutrients gets harder, so teams often look at foods that carry more in a smaller volume. The foods usually mentioned are:

• Fatty fish such as salmon and tuna, which contain omega-3 fatty acids.
• Eggs, an easy source of protein.
• Legumes such as beans and lentils, for plant-based protein.
• Nuts and nut butters, high in calories and healthy fats.
• Avocados, which are nutrient rich and calorie dense.
• Dairy such as milk, cheese, and yogurt, for calcium and protein.
• Whole grains, for fiber and energy.

Which of these are safe depends entirely on the swallowing assessment. Some are the wrong texture for some people.

Thin liquids are often the first thing that becomes difficult. Thickeners change the consistency so that swallowing is safer and the risk of aspiration is lower. Commercial thickeners exist, and household foods such as applesauce or mashed potatoes are sometimes used the same way.

Thickening is a clinical decision. The level of thickness has to be set by the SLP, because too thin and too thick both carry risk.

Preparing food in a form that is easier to swallow can make a real difference. Blending or pureeing meals to a smooth consistency is the usual approach, and again the target consistency comes from the swallowing assessment.

Smaller, more frequent meals can help keep calorie intake up without exhausting the person. Care teams often suggest planning around 5 to 6 small meals or high-calorie snacks across the day instead of three large ones.

Eating takes energy. If a meal is leaving the person worn out, say so at clinic.

Staying hydrated is important and often difficult. Fluids that are easier to take in, such as smoothies or milkshakes, are commonly suggested, alongside regular small sips of water where that is safe.

If thin water has already been flagged as unsafe, that instruction from the SLP comes first.

Significant weight loss or serious swallowing difficulty is usually what prompts the clinic to raise a feeding tube. A tube delivers nutrition directly to the stomach or intestine, so oral intake is no longer the only route.

The conversation belongs at clinic, with the person with ALS at the center of it.

A temporary option, placed through the nose into the stomach. It is generally used for shorter periods rather than as a long-term arrangement.

A more permanent option, placed surgically into the stomach. It is better suited to long-term use than an NG tube.

The reasons usually given are:

• Nutrition and hydration become consistent rather than dependent on how a meal goes.
• The risk of aspiration pneumonia is lower.
• Energy that eating uses up is conserved for other things.

None of that makes a tube the right choice for everyone. It is a decision made with the medical team, and preferences recorded in advance planning documents carry weight in it. Our life planning page covers how those documents work.