How a Cancer Dietician Nutritionist Makes a Difference: Nutrition During Cancer Treatment and Recovery

By Erin Benner, RDN Cancer Dietitian Nutritionist

Nutrition during cancer treatment can feel confusing, overwhelming, and high-stakes. Many people search:

• What should I eat during chemotherapy?

• Can nutrition help with cancer treatment side effects?

• Does a cancer diet reduce recurrence risk?

• Should I see a registered dietitian for cancer?

  
  

If you’ve been diagnosed with breast cancer, colorectal cancer, or another form of cancer, you’ve likely encountered conflicting advice online. One article promotes a strict elimination diet. Another emphasizes plant-based eating. Social media suggests cutting out sugar entirely.

Meanwhile, your body feels different. Your appetite may be inconsistent. Fatigue may be constant. And eating — something that used to be routine — now feels complicated.

This is where working with a dietitian specializing in cancer nutrition makes a meaningful difference.

Not because you need a perfect diet. Because you need clarity, structure, and personalized guidance.

Why Nutrition During Cancer Treatment Matters

Cancer and its treatments increase your body's nutritional needs while often decreasing appetite and tolerance for food. This combination increases the risk of:

• Unintentional weight loss

• Muscle loss

• Fatigue

• Reduced treatment tolerance

• Lower quality of life

  
  

Research shows that early dietitian-led nutrition counselling during and after cancer treatment improves weight stability, treatment tolerance, and overall health and wellbeing.

Beyond that, people often describe something equally important:

They feel stronger. More energetic. Less anxious about food.

Prevent Malnutrition With Dietician-Led Guidance

Malnutrition affects a significant portion of people diagnosed with cancer, particularly in colorectal cancer and other gastrointestinal cancers.

A dietitian can:

• Screen for early nutrition risk

• Monitor changes in weight and muscle

• Adjust protein and calorie targets

• Provide realistic strategies when appetite is low

  
  

In colorectal cancer care, nutrition counselling improves nutrition quality and reduces treatment-related decline in strength and energy.

In breast cancer care, working with a dietician helps prevent excessive weight gain during treatment and supports healthier body composition in survivorship. It can also help bridge nutrition gaps that can increase osteoporosis and menopause symptoms.

The difference is early, individualized support — not waiting until a problem becomes severe.

Reduce Side Effects and Improve Treatment Tolerance With Nutrition

Many people search for foods to help with chemotherapy side effects — and for good reason.

Symptoms like nausea, diarrhea, constipation, taste changes, and fatigue directly impact nutritional intake.

An cancer dietician provides:

• Symptom-specific nutrition strategies

• Texture modifications for mouth sores

• Effective approaches for GI distress

• Meal planning

• Strategic protein intake to preserve lean mass

  
  

Clinical studies show that individualized nutritionist counselling improves dietary intake and helps patients maintain weight during chemotherapy.

But the practical benefit is this: You have a plan that adapts as your needs change on the cancer journey.

Support Healthy Weight and Body Composition During Cancer

Weight changes during treatment vary by diagnosis and therapy.

• Many patients undergoing breast cancer treatment experience weight gain.

• Patients with colorectal cancer may experience weight and muscle loss.

Both can impact long-term outcomes.

A cancer dietician helps align your intake with:

• Lean mass preservation

• Metabolic health

• Sustainable eating patterns

• Long-term survivorship goals

  
  

This isn’t about restrictive dieting. It’s about strategic nourishment tailored to your diagnosis and stage of care.

Improve Quality of Life and Reduce Fatigue With Personalized Nutrition

Cancer-related fatigue is one of the most common and distressing symptoms reported during and after treatment.

While fatigue is multifactorial, nutrition plays a measurable role in:

• Stabilizing blood sugar

• Supporting muscle maintenance

• Preventing micronutrient deficiencies

• Reducing inflammation

  
  

Dietitian-supported nutrition care has been associated with improved nutrition quality, longevity and wellbeing in many cancer groups.

Personalized approaches with support and guidance have a bigger impact than extreme dietary overhauls.

Guided Nutrition to Reduce Risk of Recurrence

After treatment, many survivors search for:

• Best diet after breast cancer

• How to prevent colorectal cancer recurrence with diet

• Anti-cancer foods

  
  

Evidence supports dietary patterns rich in:

• Vegetables and fruit

• Whole grains

• Legumes

• Adequate protein

• Healthy fats

  
  

In breast cancer survivorship, higher intake of plant-based foods is associated with improved overall survival.

In colorectal cancer, greater fiber intake and plant diversity are linked with improved survival outcomes.

The goal is not perfection. It’s sustainability and metabolic resilience.

Remove Overwhelm Around Eating During Cancer

The internet offers information. The best nutritionist offers integration.

Instead of piecing together advice from multiple sources, you receive:

• A personalized nutrition framework

• Symptom-responsive adjustments

• Ongoing monitoring

• Evidence-based recommendations

• Practical meal strategies

• Freedom from food fear

• Sustainable energy

  
  

You stop second-guessing every bite.

You regain confidence.

Take the Next Step: Book a Discovery Call With Erin Benner, Savour Nutrition's Cancer Dietician Nutritionist

If you’ve been searching for:

• What should I eat during cancer treatment?

• Do I need a dietitian during chemotherapy?

• Breast cancer nutrition advice

• Colorectal cancer diet support

  
  

You don’t need more conflicting information.

You need individualized guidance.

A discovery call allows us to:

• Review your treatment stage

• Identify your primary nutrition concerns

• Clarify priorities

• See how cancer nutrition care can support you

  
  

Food should support your healing — not create more stress.

If you’re ready for a clear, evidence-based plan tailored to you, book your discovery call today.

Meet Erin Benner, RDN

Cancer Care and Survivorship Dietitian Nutritionist in Calgary Alberta

Offering Virtual Counselling in Alberta

Energy Essentials: Recovering From Cancer Fatigue

Fatigue after cancer treatment is one of the most common and frustrating challenges survivors face during recovery—and rest alone often isn’t enough to fix it.

Cancer-related fatigue is one of the most common and persistent side effects after treatment. And unlike normal tiredness, it doesn’t always go away with rest. Many survivors are surprised by how long it lingers, and even more frustrated when they’re told they “should” be feeling better by now.

The truth is: your body has been through a lot. Recovery takes time—and the right kind of support.

Why Fatigue After Cancer Is So Common

Cancer-related fatigue isn’t just about sleep. It’s influenced by a combination of things, including:

• The physical stress of treatment

• Changes in metabolism and muscle mass

• Inflammation and immune system recovery

• Nutrient deficiencies

• Digestive changes that affect absorption

• Disrupted routines and sleep

• Emotional and mental load

On top of that, many survivors are trying to “eat better” to support recovery—but feel overwhelmed by conflicting advice, low appetite, or simply not having the energy to cook or plan meals.

Low energy + higher nutrition needs + confusion about what to eat = a really tough cycle.

How Nutrition Helps Cancer Fatigue

The good news? The right nutrition approach can help boost, build, and sustain your energy over time.

Not through extreme diets or rigid rules—but through practical, realistic nourishment that supports your body as it heals.

In my work with survivors, including my recent talk for Be Well with Wellspring on “Nutrition and Energy Recovery During and After Cancer Treatment,” I see the same pattern again and again:

People want to feel better. They just don’t know where to start.

That’s exactly why I created this free webinar.

Free Zoom Webinar: Energy Essentials

Date: Tuesday February 24, 2026

Time: 12:30 PM MST

Length: 1 hour

Format: Live on Zoom (free to attend)

Who This Is For

This session is for cancer survivors who are:

• Nearing the end of treatment

• Or have completed treatment in the past 2 years

• Dealing with fatigue, low stamina, or brain fog

What You’ll Learn

In this session, we’ll cover:

• Why fatigue after cancer treatment is so common

• The key contributors that affect your energy

• How nutrition can support recovery and stamina

• Simple, realistic ways to nourish your body when energy is low

• How to move forward with more clarity and confidence around food

My goal is for you to leave feeling:

✔ More informed

✔ More hopeful

✔ And more empowered to support your energy in a sustainable way

Register

You Don’t Have to Figure This Out Alone

Recovery isn’t about pushing harder—it’s about supporting your body wisely. And small, thoughtful changes can make a real difference over time.

If you’re ready to understand your fatigue better and learn how nutrition can support your next step on the healing journey, I’d love for you to join me.

👉 Register for the free webinar here: https://us02web.zoom.us/meeting/register/WA4-t5KqSgyjZmrGzyn0dg

Related Articles

These Are a Few of My Favorite Things

A Few More of My Favorite Things (Fridge Edition)

Hydration Refresher

A Few More of My Favorite Things (Fridge Edition)

If your fridge is stocked well, eating nourishing meals becomes so much easier — no complicated recipes required. These are the items I keep on repeat because they’re versatile, nutrient-dense, and make throwing meals together almost effortless.

Think of these as building blocks, not “diet foods.”

1. Probiotic Plain Yogurt (2–5% Fat)

Once you get comfortable buying plain yogurt, you’ll save yourself so much time (and decision fatigue) in the yogurt aisle. There are really only a few solid options to choose from when you know what to look for.

I prefer a 2–5% fat yogurt — it’s more satisfying, supports stable blood sugar, and actually tastes good.

Why I love it:

• Great source of protein and calcium

• Supports gut health with probiotics

• Works for sweet and savory meals

My favorites: Biobest, Siggi’s

Use it for:

• Breakfast bowls with fruit and nuts

• A base for sauces or dressings

• A swap for sour cream

  
  

2. Omega-3 Eggs

Rounding out the protein powerhouse: Omega-3 eggs. They’re worth the splurge.

These eggs provide an excellent source of omega-3 fats, choline, and lutein, supporting brain health, hormones, and overall nutrient intake.

Why I always have them on hand:

• High-quality, versatile protein

• Key nutrients many people under-consume

• Easy to build meals around

Quick ways to eat them:

• Scrambled or fried with toast

• Added to salads or grain bowls

• Hard-boiled for an easy snack

  
  

3. Baby Arugula

Keep a clamshell of baby arugula in your fridge and you can upgrade almost any meal instantly.

Much like frozen kale, this is a sprinkle-it-on-everything food.

Why it works:

• Minimal prep, maximum payoff

• Peppery flavor makes meals more interesting

• Adds nutrients without overthinking it

Try it:

• Tossed into pasta or grain bowls

• Mixed into eggs or omelets

• On top of pizza, soups, or sandwiches

  
  

4. Naturally Fermented Sauerkraut

This is not the shelf-stable stuff. Naturally fermented sauerkraut (found in the refrigerated section) contains live cultures that support gut health.

Why I recommend it:

• Easy way to add fermented foods

• Adds crunch and acidity to meals

• Helps balance heavier dishes

Use it:

• As a side with meals

• On eggs, bowls, or sandwiches

• Paired with richer foods

  
  

5. Shredded Coleslaw Mix

One of the most underrated fridge staples.

Shredded coleslaw mix is essentially pre-chopped vegetables, which means fewer barriers to actually eating them.

Why it’s clutch:

• Saves time and energy

• Works raw or cooked

• Adds fiber and volume to meals

Use it:

• Tossed into salads

• Stir-fried with protein

• Mixed into bowls or wraps

  
  

6. Cottage Cheese (Full-Fat or 2–4%)

An easy protein anchor that doesn’t require cooking.

Why it earns a spot:

• High protein, minimal effort

• Neutral flavor = sweet or savory

• Great for quick meals when motivation is low

Ways to use it:

• With fruit and nuts

• Blended into dips or sauces

• On toast with olive oil and salt

• My favorite: with Everything Bagel Seasoning

  
  

7. Lemon Juice (Fresh or High-Quality Bottled)

A small thing that makes a big difference.

Why it’s a staple:

• Brightens boring meals instantly

• Encourages eating more vegetables and water

• Improves the flavour of meals, especially when your taste has warped from chemo

Use it:

• On arugula and salads

• Squeezed over eggs or bowls

• Mixed into dressings and sauces

  
  

8. Parmesan (or Another Hard, Aged Cheese)

Flavor matters — and this is one of the easiest ways to add it.

Why it belongs:

• Adds protein, calcium, and depth

• A little goes a long way

• Makes simple meals satisfying

Ways to use it:

• Shaved over salads or pasta

• On eggs or roasted vegetables

• Added to soups or grain bowls

  
  

9. Full-Fat Store-Bought Salad Dressing (Yes, Really)

This is your permission slip.

A good-quality, full-fat dressing helps people eat more vegetables consistently — which matters more than whether it’s homemade.

Why I keep it in my fridge:

• Fat helps absorb fat-soluble vitamins

• Makes salads enjoyable, not obligatory

• Convenience supports consistency

Look for:

• Olive oil or avocado oil–based

• Short ingredient lists

  
  

The Big Picture

A well-stocked fridge isn’t about eating “perfectly.” It’s about making nourishing choices easier than takeout on busy days.

When your fridge is full of versatile staples:

• You don’t need complicated recipes

• You don’t need constant motivation

• You just mix, match, and eat

That’s how real-life nutrition works.

One of the biggest misconceptions about energy is that it comes from motivation, willpower, or cutting things “just right.”

In reality, energy is built — through consistent nourishment, enough calories, adequate protein and fats, and meals that don’t feel like a project.

This is exactly what I teach inside my Energy and Clarity Reset.

We focus on:

• Eating enough to support your metabolism and nervous system

• Stocking your kitchen in a way that reduces friction

• Letting go of food rules that quietly drain energy

• Creating meals that actually fuel your day instead of leaving you flat

These fridge staples aren’t random — they’re examples of how energy-supportive nutrition looks in real life. Not perfect. Not restrictive. Just practical and repeatable.

If you’re tired of feeling run-down, relying on caffeine, or wondering why “healthy eating” hasn’t translated into more energy, this is the work we do together.

If you want support putting this into practice and building sustainable energy from the inside out, you can learn more about the Energy and Clarity Reset here.