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Lactose Intolerance + Protein
Whey Isolate For Lactose Intolerance
You've been told you can't drink protein shakes. That's not true. Whey isolate removes virtually all lactose through microfiltration — and most lactose-intolerant people tolerate it without any symptoms at all.
Yes, you can drink whey protein if you're lactose intolerant — as long as it's whey isolate, not concentrate. Isolate contains less than 0.5g lactose per serving.
<0.5g
Lactose Per Serving (Isolate)
12g
Typical Symptom Threshold
90%+
Protein By Weight
68%
Of Adults Are LI Globally
Made For Sensitive Stomachs
Xwerks Grow
100% whey protein isolate — virtually zero lactose. Cold microfiltration removes the lactose and fat while preserving the full amino acid profile. Grass-fed, New Zealand sourced, naturally sweetened with stevia. No bloating. No cramps. Just clean protein.
- Less than 0.5g lactose per serving
- 25g protein, 110 calories — no filler carbs
- No artificial sweeteners, colors, or flavors
- Soy-free, gluten-free — no common allergens
- 4 flavors: Chocolate, Vanilla, Peanut Butter, Strawberry
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$6930 servings · $2.30/scoop
100% Whey Protein Isolate
Nutrition Facts & Ingredients
Nutrition Facts
Serving Size: 1 scoop (~32g)
30 servings per bag
30 servings per bag
Calories110
Total Fat0.5g
Cholesterol15mg
Sodium90mg
Total Carbohydrate1g
Total Sugars0g
Added Sugars0g
Protein25g
BCAAs6g+
Why Grow
The cleanest protein
available.
available.
- 100% whey protein isolate — never blended with cheaper concentrates. ~90% protein by weight through cold microfiltration.
- 25g protein, 110 calories — maximum protein density per calorie. Only ~1g carbs in most flavors.
- Grass-fed, New Zealand sourced — from pasture-raised cows. No rBGH, no antibiotics, no pesticides.
- Naturally sweetened with stevia — no artificial sweeteners, colors, or flavors (except strawberry).
- Virtually zero lactose — microfiltration removes lactose, suitable for most lactose-intolerant individuals.
- Soy-free, gluten-free — no soy lecithin, no fillers, no bloating. Acid and bleach-free processing.
Amino Acid Profile (per serving)
Leucine2.7g
Isoleucine1.6g
Valine1.5g
Glutamic Acid4.3g
Lysine2.3g
Aspartic Acid2.7g
The Key Difference
Isolate vs Concentrate For Lactose
This is the only comparison that matters if you're lactose intolerant. One is safe. The other is the reason you've been avoiding protein shakes.
Safe For Most LI
Whey Isolate
Lactose Content<0.5g/serving
Protein Content90%+
BloatingNone for most
Gas / CrampsRare
Calories Per 25g Protein~110
ProcessingMicrofiltration
Avoid If LI
Whey Concentrate
Lactose Content3-4g/serving
Protein Content70-80%
BloatingCommon
Gas / CrampsCommon
Calories Per 25g Protein~150-180
ProcessingBasic filtration
How It Works
How Microfiltration Removes Lactose
It's not magic — it's a physical filtering process that separates protein from everything you don't want.
01
Raw Whey
Liquid whey is separated from milk during cheese production. At this stage it contains protein, lactose, fat, and minerals all mixed together.
→02
Cold Microfiltration
Whey is passed through ceramic microfilters at low temperatures. Protein molecules are large enough to be retained; lactose and fat molecules pass through and are removed.
→03
Lactose Stripped
The result: 90%+ pure protein with virtually zero lactose (<1%), minimal fat, and a complete amino acid profile intact — nothing denatured by heat or chemicals.
→04
Dried & Flavored
The concentrated liquid is spray-dried into powder and lightly flavored with natural ingredients. Grow uses stevia — no sucralose, no artificial colors or dyes.
Important Distinction
Intolerance vs Allergy
These are two completely different conditions with different mechanisms — and different answers when it comes to whey protein.
Lactose Intolerance
Your body doesn't produce enough lactase enzyme to break down lactose (milk sugar). Undigested lactose reaches your colon, where bacteria ferment it — causing bloating, gas, cramps, and diarrhea. This is a digestive issue, not an immune response.
Whey isolate is safe — lactose is removed during microfiltration.
Dairy Allergy
Your immune system treats milk proteins (casein and/or whey) as threats and mounts an allergic response. Symptoms can include hives, swelling, breathing difficulty, and in severe cases anaphylaxis. This is an immune reaction to the protein itself.
Whey isolate is NOT safe — it is still a milk protein, regardless of lactose content.
Not Sure Which You Have?
If dairy gives you bloating, gas, and cramps (especially 30-120 minutes after eating) but not hives, swelling, or breathing issues, you almost certainly have lactose intolerance — not an allergy. A hydrogen breath test or elimination diet can confirm. When in doubt, consult your doctor before trying whey isolate.
Yes — as long as you choose whey isolate, not concentrate. Whey isolate undergoes microfiltration that removes virtually all lactose (under 0.5g per serving). This is well below the 12g threshold that triggers symptoms in most lactose-intolerant people. Whey concentrate still contains 3-4g of lactose per serving and commonly causes bloating, gas, and cramps.
Less than 0.5 grams per serving — typically under 1% of the total weight. For context, a glass of milk contains about 12g of lactose. Most lactose-intolerant people can tolerate up to 12g per sitting without symptoms. Whey isolate falls 24 times below that threshold.
Concentrate retains 5-6% lactose (3-4g per serving). When you lack lactase enzyme, this undigested lactose passes into your colon where gut bacteria ferment it — producing gas, bloating, cramps, and sometimes diarrhea. Isolate removes this lactose during microfiltration so there's nothing left to ferment.
No. Lactose intolerance and dairy allergy are completely different conditions. Intolerance is a digestive issue (can't break down lactose sugar) — isolate fixes this by removing the lactose. Allergy is an immune reaction to milk proteins themselves — whey isolate is still a milk protein and is not safe for dairy-allergic individuals. Use a plant-based protein instead.
A high-quality whey protein isolate is the best choice. It gives you the full amino acid profile, rapid absorption, and high leucine content of whey — with virtually zero lactose. Xwerks Grow is 100% grass-fed New Zealand whey isolate with 25g protein, 110 calories, and less than 0.5g lactose per serving. For people with a true dairy allergy (not intolerance), a pea or rice protein blend is the alternative.
Most people don't need to. Whey isolate already contains so little lactose (under 0.5g) that supplemental lactase isn't necessary. If you're extremely sensitive and want extra assurance for the first few servings, a lactase enzyme tablet won't hurt — but the vast majority of lactose-intolerant people tolerate whey isolate without any additional support.
Some people report that dairy in general worsens acne, though the research is mixed. If you suspect a dairy-acne connection, whey isolate's lower fat and lactose content may help compared to concentrate — but it's still a dairy product. Monitor your skin for a few weeks and adjust accordingly. If breakouts persist, a plant-based protein is worth trying.
Finally — Protein Without The Pain
Zero Lactose.
Zero Bloat.
100% grass-fed New Zealand whey isolate. Less than 0.5g lactose per serving. 25g protein, 110 calories. No artificial anything. The protein shake you've been waiting for.
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