Learn
Guides you can use, plus the pages only Cantein can write: labs, origin, bag weights, amino grams.
Free tools
Amino acid calculator
Log a day of food. Find your protein and amino acid gaps.
Protein calculator
How much protein you need a day, by weight and goal.
Protein calculator for weight loss
How much protein to eat while losing weight.
Protein calculator for women
Your daily and per-meal protein by weight, age, and goal.
Fiber calculator
Log a day of food. Find your fiber gap and the foods that close it.
Protein powder ingredient checker
Paste any label. See every sweetener, allergen, and gum.
Protein
100g of protein without whey
Three full days, every gram counted. Powder optional.
Protein after 50, no dairy
The leucine math, and six breakfasts that clear it.
Protein on a GLP-1
Advisory targets, lean mass, and where a scoop fits.
Hemp vs pea
Aminos, digestion, taste, and who should pick which.
Hemp vs whey
Where whey wins, and where hemp makes more sense.
Whey protein alternatives
Hemp, pea, soy, and egg white — who each one fits.
Why protein powder bloats you
Nine suspects and a 12-day test to find yours.
If pea wrecks your stomach
Three checks first, then a switch that doesn’t wreck the week.
Vegan protein for digestion
Short vegan labels, gums, and a half-scoop start.
Buying guides
Best dairy-free protein powder
Hemp, pea, rice, soy, and egg, with label facts and prices.
Protein powder for a sensitive stomach
Match the powder to your trigger. Five short-label picks.
Best protein powder for bloating
Label suspects first. Short picks and a half-scoop test.
Best protein powder for IBS
Food, not a therapy. Short labels and common tub suspects.
Best protein powder after 50
Protein and leucine per scoop against the per-meal target.
Best plant based protein powder
Hemp, pea, rice, and soy — match the base to your constraints.
Best organic vegan protein powder
Organic seal plus vegan base. Organic is not a metals test.
Pea-free protein powder
Hemp, rice, egg, and whey when pea is out.
Without whey or pea
Hemp, rice, soy, and egg white for that exact filter.
Legume-free protein powder
No pea or soy. Hemp, rice, egg, or whey.
Soy-free protein powder
Hemp, pea, rice, egg, and whey — watch soy lecithin too.
Protein powder without stevia
Monk fruit, a little sugar, or nothing. Ten options priced.
Protein powder without sucralose
Whey and plant options, priced. What the sucralose studies say.
Without erythritol
Spot sugar alcohols in monk fruit blends. Unsweetened picks.
Monk fruit protein powder
Monk fruit without stevia. Watch erythritol blends.
Unsweetened vegan protein powder
No sugar and no high-intensity sweetener. Unflavored first.
Clean protein powder
What “clean” can mean, five checks, and short-label picks.
Simple ingredient protein powder
Short lists you can recognize. One-ingredient picks.
Protein powder without gums
Skip xanthan and guar. Short-label gum-free picks.
Hemp protein powders compared
Five brands: protein, fiber, origin, price, and testing.
80% hemp protein powder
Concentrated hemp vs typical 43–63% powders.
Best tasting hemp protein powder
What hemp tastes like, and how vanilla and chocolate help.
Alternatives & comparisons
Manitoba Harvest alternatives
When Max Protein is out, or you want more protein per scoop.
Cantein vs Manitoba Harvest
80% vs 63% protein, origin, and label length.
Nutiva alternatives
More protein, more fiber, or a lower price.
Cantein vs Nutiva
Protein density versus fiber in organic hemp.
Truvani alternatives
Pea-free hemp, or cheaper one-ingredient pea.
Orgain alternatives
Shorter labels, pea-free hemp, or simple pea isolate.
Naked Pea alternatives
Stay on pea, switch to rice, or go pea-free with hemp.
Ingredients
What is hemp protein?
How it’s made, what the research shows, and side effects.
Hemp seeds vs hemp protein
Hearts for omega-3, powder for protein per calorie.
Ingredients and nutrition
Exact lists, every flavor per scoop, and the bag.
Amino acids
All 9 essentials per scoop, and why lysine is the one to watch.
No artificial sweeteners
No sucralose. No stevia. Monk fruit or none.
Testing and sourcing
How Cantein is made and tested
Where it’s grown, how it’s pressed, what Eurofins tested, USDA Organic.
Lead and heavy metals
What Consumer Reports found, the limits, and our Eurofins results.
Third-party tested protein powder
Lab name, date, µg per scoop — and Cantein’s Eurofins sample.
Does Cantein contain THC?
Lab results, what the FDA says, and drug tests.
Hemp protein research
Human trials, protein quality, charts, and the limits.
