Aren't the cows grass fed? Pasture raised does not mean grass fed.

Grass fed does not necessitate healthy. As the pasteurized cows this company prides themselves on are from Brazil where there are no restrictions on using pesticides, chemicals for spraying to invert mosquitos, and antibiotics are also used generously in the environment and that includes grass.This info came from a reviewer who called the Bulletproof company and posted in depth on Jan 1, 2017. I suggest people read all reviews not just positive ones to get knowledge. Now if the info was not true? The company would've cleared up that reviewer but bulletproof did NOT! Do your Due diligence before jumping into anything then asking questions later. Dig away into beginning of this year 2017 and read all reviews then research methods Brazil uses for pesticides & chemicals.Better to be informed.Grass fed is now allowed by the FDA in our USA to be used on anything as is GMO free..when in fact it means nothing if you don't know what your consuming.Ask the company if this product is gluten free and chem free and antibiotic free!Educate yourself to ensure your health & well being. Also, how many read this disclaimer that bulletproof clearly has in the product description? In case you have not here it is- "Disclaimer: While we work to ensure that product information is correct, ON OCCASSION MANUFACTURERS may ALTER their INGREDIENT LISTS. ACTUAL PRODUCT, packaging and materials MAY CONTAIN more and/or DIFFERENT INFORMATION than that shown on our Web site. We recommend that you DO NOT SOLELY RELY on THE INFORMATION presented and that you ALWAYS READ LABELS, warnings, and directions BEFORE using or CONSUMING a product. For additional information about a product, PLEASE CONTACT MANUFACTURER. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. INFORMATION and statements regarding dietary SUPPLEMENTS HAVE NOT BEEN EVALUATED by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com ASSUMES NO LIABILITY for inaccuracies or misstatements about products." Now isn't this convenient or even liable free!

What type of Collagen is this, type 1, 2 or 3?

I understand you question. There are actually 5 common types of collagen. I see no information on these labels about "type" of collagen or the amino acid profile of this product.

it says on the back that it was processed in a factory that process wheat and i don't see a certified gf label on the bag i bought. So is is GF?

I'm gluten intolerant (non-Celiac) and I've been using it for many months without any issue. Also, I checked their website & their statement says: "Bulletproof Collagen does not contain any dairy, egg, sugar, corn, yeast, wheat, soy, gluten, artificial flavors, or preservatives, and our collagen source (gelatin) has been concluded to be GRAS (Generally Recognized as Safe)."I hope that helps! :)

Does it have estrogen

no estrogen that I am aware of for this item.

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✨ Unlock your glow from within with Bulletproof Collagen 💧

NEXT LEVEL ABSORPTION - Hydrolyzed collagen peptides for fast, bioavailable amino acids that your body craves.
VERSATILE TASTELESS - Unflavored formula blends seamlessly into coffee, smoothies, or soups—no weird aftertaste.
PURE ETHICAL SOURCING - Grass-fed, pasture-raised cows ensure premium quality and sustainability you can trust.
POWER PACKED PROTEIN BOOST - Each serving delivers a potent 20g of collagen protein to fuel your active lifestyle.
SCIENCE BACKED SKIN JOINT SUPPORT - Collagen types I & III target skin hydration, bone strength, and joint resilience.

Bulletproof Unflavored Collagen Peptides Powder offers 42.3 ounces of premium, grass-fed collagen types I and III, delivering 20g of protein per serving. Hydrolyzed for superior absorption, this keto-friendly, tasteless powder supports skin hydration, bone density, and joint health with ethically sourced amino acids, making it a versatile addition to any beverage or recipe.

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Additives	Amino Acids
Allergen Information	Gluten Free, Lactose Free
Serving Recommendation	One Scoop
Brand	Bulletproof
Format	Powder
Age Range Description	Adult

Bulletproof Unflavored Collagen Peptides Powder, 42.3 Ounces, Grass-Fed Collagen Protein and Amino Acids for Skin, Bones and Joints

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