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 and fiber on a GLP-1
What the 2025 advisory says. Questions for your prescriber.
Hemp vs pea
Aminos, digestion, taste, and who should pick which.
Hemp vs whey
Where whey wins, and where hemp makes more sense.
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.
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 after 50
Protein and leucine per scoop against the per-meal target.
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.
Clean protein powder
What “clean” can mean, five checks, and short-label picks.
Hemp protein powders compared
Five brands: protein, fiber, origin, price, and testing.
Fiber
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.
Does Cantein contain THC?
Lab results, what the FDA says, and drug tests.
Hemp protein research
Human trials, protein quality, charts, and the limits.
