Powerful anti-aging complete protein supplement. Gives your skin, bones, and lady parts a do-over, erasing decades of wrinkles, dryness, and discomfort.

"I feel like my 25-year-old self again" ~Nancie S.

Science-Backed Peptides for Ageless Skin, Pelvic Floor & Bones

"My skin looks smoother, and my nails don’t break, and I feel better. Plus, I’m not in pain after my workouts which is a big plus as well!" ~ Crystal R, Collagen Customer

$49.95
$59.95

If You’re A Woman Over 40… Here’s Why Most Collagen Supplements Can Actually Hurt You, Causing Unexplained Anxiety, “Down There” & Bladder Problems!

Total Fem Collagen Product Details:

Finally, the ONLY collagen supplement specifically designed for women… that keeps you looking 22 AND toned "down-there"

 

Collagen is often touted as being a “fountain of youth” or an “anti-aging miracle,” but there’s far more to it than that, especially when it comes to your pelvic floor health.

 

The female body relies on this firming protein to support healthy pelvic floor muscles, vulva skin, hair, skin, nails, bone and joint health, and digestion.

 

From our pelvic floor muscles to our bones and everything else in between, maintaining this protein’s production is essential for overall pelvic health, feminine wellness, and for looking young.*

 

And Rootganics Total Fem Collagen is formulated unlike any other collagen supplement on the market.

 

It’s packed with all five of the most important collagen peptides you need to combat aging on a cellular level.

 

It’s manufactured at one of the premier lab facilities in the country and triple-checked for purity and quality, not once, not twice but three times throughout the process.

If you want to:

  • Reduce fine lines and wrinkles*
  • Maintain healthy bone density*
  • Ease painful joints*
  • Dramatically improve your skin elasticity*
  • Get back your thick lustrous hair and strong nails*
  • Improve your digestion and liver function*
  • And help maintain your pelvic and bladder health to help end prolapse, pain, and leaking forever!*

This is your chance to make it all happen*. 

 

Total Fem Collagen doesn’t have any synthetic vitamin C making it safer for your bladder health and includes two essential amino acids, Tryptophan and L Theanine that tackle anxiety and work in synergy with collagen production in the body.

 

Plus it’s completely flavorless and odorless, you can mix it in your coffee or juice, add it to your favorite recipes and get a collagen kick as often as you like!

Doctor Recommended:

Collagen is a vital protein that helps keep women’s bodies, skin, and bones from seeing the signs of aging more rapidly than they should.

 

Collagen is a much-needed product that helps women with the aging process, improves pelvic issues and heals diseases of the bones and joints.

 

Dr. Dekel says of Total Fem Collagen...
"As women age, the need for Collagen becomes essential.

 

I believe that Collagen is an essential nutrient for women’s healing. I always recommend a premium quality collagen supplement to my patients because it can help with hormonal disorders, gut imbalances, aging joints, and other signs of aging.

 

There is a BIG difference in the quality and effectiveness between a premium-quality collagen supplement and your everyday collagen peptides found in many drugstore supplements and that quality is super important to get the many benefits that collagen can provide.

 

For Collagen to effectively support women’s bodies, joints, hair skin, it needs to be in its purest and cleanest form and contain all 5 of the most important collagen peptides and the right combination of nutrients.*

Here's What They Are Saying:

Customer Reviews

Based on 74 reviews
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T
Tracy Sylvester
All was fine

I’ve received my package and all is fine and I’m satisfied, thank you.

Yay! We’re so glad your package arrived safe and sound and that you’re happy with everything, Tracy! Thank you for being part of the Total Fem family! your satisfaction means the world to us.

...Here's to glowing health and feeling fabulous! Isa Herrera & The Rootganic Team.

N
Nancy MacDowell
Good product

I enjoy 1 scoop a day in my kefir smoothie. It's affordable because it lasts more than a month for me.

That’s awesome, Nancy! We're so happy you're enjoying your daily scoop of Total Fem Collagen in your kefir smoothie... what a delicious combo! We love that it goes the distance for you and fits so well into your routine. Thanks for sharing your tip...it might inspire others too!

~ Keep on scoopin’ and smooth(ie) sailin’! Isa Herrera & The Rootganic Team.

M
Marilyn Haag

Great product

We're so thrilled you've been using Total Fem Collagen for a long time, Marilyn! Your glow-up must be legendary by now! Thank you for being part of our community and trusting us on your wellness journey.

... Until then, keep shining! Isa Herrera & The Rootganic Team.

L
Lesley Hunter
Total Fem Collagen

I am very pleased with this product, it works wonders,I brought to help with down there issues but am reaping the benefits everywhere. Thankyou.

We're absolutely delighted you're seeing such amazing results! It's fantastic to hear it's not just helping with 'down there' issues, but benefiting you in so many other ways. Thank you for sharing your wonderful experience

~With a grateful heart! Isa Herrera & The Rootganic Team.

D
Deborah Stewart
It Just Doesn't Get Any Better Than This.

It doesn't take long to see an incredible difference in your hair, your skin and the overall way you feel when taking this amazing collagen product from Rootganic. I am 70 years young, and when the subject arises, I have actually been called a liar when I answer questions: "I am 70." I put this collagen in my morning smoothie, and let it work its magic: healthwise and otherwise. Thank you, Isa, for giving me the confidence that life's challenges had taken from me. And thank you for your invaluable wisdom and insight into what it TRULY MEANS TO BE A WOMAN. God bless you!

Wow! Thank you so much for sharing your incredible experience with our Total Fem Collagen, Deborah. Your words truly inspire us. It's so heartwarming to hear how our product has made such a noticeable difference in your hair, skin, and overall well-being. We're thrilled that you've found a simple way to incorporate it into your daily routine with your morning smoothie. Your story about regaining confidence is exactly why we created Rootganic. We believe in empowering women to feel their best at every age.

***We're delighted to be a part of your journey to feeling healthy and confident. God bless you too! Isa Herrera & The Rootganic Team.

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Ingredients:

COLLAGEN TYPE I: SUPPORTS HEALTHY SKIN, NAILS, TEETH, TENDONS & LIGAMENTS

This is by far the most prevalent type of collagen protein in the female body.

 

It clocks in at nearly 90% of your entire collagen makeup and is responsible for some very important areas of your body. 

 

It helps maintain strong bones, thick lustrous hair and nails, healthy teeth, and even your tendons and ligaments. 

 

It’s a must-have in any collagen supplement. This type of Collagen helps to tighten vaginal and vulva tissue.

COLLAGEN TYPE II: MAINTAINS HEALTHY JOINTS

Every single joint in your body contains cartilage that can degrade and become damaged over time. 

 

This is why so many people over a certain age end up with hip replacements and knee replacements. 

 

Type 2 collagen is a large part of what makes up the cartilage in your joints keeping you healthy and active!

COLLAGEN TYPE III: SUPPORTS PELVIC ORGANS INCLUDING UTERUS, INTESTINES & ARTERIES

Type 3 collagen is incredibly important. 

 

It’s the second most common collagen in your body and it helps maintain the pliability of your organs, your arteries, and your skin. 

 

This particular collagen is important because it helps maintain your organs that include your pelvic floor organs, your vagina, your bladder, and more.

COLLAGEN TYPE V: INVOLVED IN HEALTHY HAIR & ELASTIC SKIN

Type V collagen is found on the surface of your skin, helping elasticity and it’s also found directly in your hair as well and it can help your hair become fuller, healthier, and far less brittle over time. 

 

It’s also the kind of collagen found in the placenta. Placental collagen has long been used as a skin hydrating, lifting, and firming agent. 

 

So we had to add Type V collagen to this powerful formula. If you want lustrous vibrant hair and skin, getting Type V into your body is a MUST!

COLLAGEN TYPE X: KEEPS BONES & TENDONS STRONG

This is one of the least known yet incredibly important collagen peptides. It’s responsible for bone strength and bone formation. 

 

It's crucial for flexible, strong joints and tendons. Type X collagen may help improve age-related conditions like arthritis and osteoporosis.

 

It’s most commonly found in chickens and the membrane inside chicken eggs (which got it the nickname “eggshell collagen”) It’s vital to help with your aging.

There are two more compounds that are vitally essential to getting the most out of collagen supplementation….And the missing ingredients are… Tryptophan & L Theanine

TRYPTOPHAN

Tryptophan is known for supposedly causing post-turkey drowsiness on Thanksgiving. 

 

However, this is largely a myth - it only induces sleep when consumed alone, not with other amino acids.

 

It’s an essential amino acid and the ONLY amino acid missing from most other collagen brands. 

 

Collagen contains 8 out of the 9 amino acids, bit without Tryptophan it is not a "complete protein" and cannot be properly absorbed by the body.

 

Taking a collagen supplement that doesn’t contain tryptophan might also deplete your serotonin levels and lead to anxiety, worry, despair and irritability. (And nobody’s got time for that!) 

 

Tryptophan actually helps maintain and boost those levels to help keep anxiety at bay! 

 

And it rounds out collagen making it a complete protein. 

 

But tryptophan has a sister amino acid that takes feelings of worry or despair and serotonin benefits to the next level and that amino acid is – L Theanine.

L THEANINE

L Theanine is actually a very unique amino acid. It’s almost exclusively found in green tea! 

 

L Theanine is the compound that gives green tea the reputation to have relaxing qualities and it’s backed up by science. In studies, adults who ingested L Theanine had an increase in a specific brainwave pattern called “A waves.” 

 

These brain waves are considered to be an index of relaxation. And when adult humans were given an oral dose of L Theanine of between 50 to 200 mg, they experienced an increase in A-waves within 40 minutes of taking this amino acid.

This increase signifies relaxation without causing drowsiness. It has also proven to modify key neurotransmitters involved with focus, concentration, mood, and memory- as well as enhance the production of dopamine and serotonin.

 

It was a MUST add for our proprietary collagen formula. More on that in a minute.

 

And after my experience taking collagen that was MISSING these key ingredients, I knew that for women who desperately needed the benefits of collagen for their pelvic floor, it was a TRAGEDY that they were having to suffer with the side effects of the very thing that they were trying to help!

Frequently Asked Questions

What makes Total Fem Collagen more effective for women than other collagen?

The Fem Total Collagen contains collagen peptides I, II, III, V, and X making it full-spectrum collagen.
 

Our collagen peptides have better availability and are therefore more clinically therapeutic.
 

There is also going to be more consistency and quality from a batch-to-batch perspective.

Why is Total Fem Collagen considered the safest collagen for women?

All our raw materials in Total Fem Collagen are tested by an accredited 3rd party lab or in-house to confirm specification (we don’t rely on supplier’s CofAs).
 

We test for identity, potency, heavy metals (lead, mercury, cadmium, and arsenic), micros (plate count, total yeast/mold, e.coli, salmonella, and s.aureus), rancidity/oxidative markers, pesticides and perform other applicable testing depending on the ingredient/formulation. Total Fem Collagen Get Tested before, during, and after formulation. Our process guarantees a high degree of safety, as demonstrated in numerous international studies.
 

Click here to order the most tested and science-backed collagen on the planet.

What does the Total Fem Collagen taste like?

Total Fem Collagen is a flavorless, tasteless, and odorless fine powder. It mixes well into smoothies, soups, teas, coffee, baked goods leaving no nasty aftertaste. Click here to purchase now and get the Female Collagen Anti-Aging Cookbook for FREE. The recipes in this cookbook are ones that I have personally cooked and have helped me heal from the inside out. Over 25 recipes that are wheat-free-gluten-free and diary-free.

What is the methodology used to extract the collagen in Total Fem Collagen?

Total Fem collagen peptides are produced through the specific and controlled enzymatic hydrolysis of collagen derived from bovine hide and bone. They are obtained when these raw materials are subjected to technical processes including extraction, enzymatic hydrolysis, purification, concentration, sterilization, and drying.

What is the best source of collagen for women?

Total Fem Collagen contains all the vital collagen peptides ( 1,2,3 5 and 10) that women need for better health.

Are there any known side effects of taking Total Fem Collagen?

Some of the wonderful effects (results) that our customers have reported as a result of taking Total Fem Collagen include:
 

• Less facial wrinkles
• Less vulva dryness
• More vulva-vaginal moisture
• Radiant skin that’s hydrated and not day
• Increased mobility and activity
• Faster growing nails and stronger nails
• Stronger pelvic floor muscles and Better kegel exercises
• Faster growing hair and thicker, fuller hair
• Better sleep
• Less knee, hip, and overall joint pain
• Less soreness after workouts
• Less brown spots & acne blemishes
 

With that said, with any supplement, every woman’s body is different and can react differently, we recommend that you consult your healthcare practitioner before taking any new supplement.

How will this product be shipped to me and how quickly?

For all United States and Canada orders, you can expect your order within 5 to 7 business days. International orders typYes. Our website is fully AES 256-Bit encrypted and protected by Trust-Guard, an online PCI Compliant Security Scanner software that prohibits security holes from compromising your shopping experience. The Security-Scanned seal is intended to inform shoppers that our business is certified and trusted as safe, responsible, and totally awesome.ically take 8 to 15 business days (plus customs clearance times).

Is it really safe to order this product from this online website?

Yes. Our website is fully AES 256-Bit encrypted and protected by Trust-Guard, an online PCI Compliant Security Scanner software that prohibits security holes from compromising your shopping experience. The Security-Scanned seal is intended to inform shoppers that our business is certified and trusted as safe, responsible, and totally awesome.

What if this product doesn’t work for me?

Many of our customers begin to see and feel a difference shortly after adding our Total Fem Collagen powder into their diets on a daily basis. We want to make sure there’s absolutely no risk involved when it comes to investing in any of our Rootganic products.
 

That’s why you can try our science-backed Total Fem Collagen for an entire 60 days and if for any reason you’re not completely satisfied with it, please contact our Customer Care team and you will receive a full refund. So you can trust that you can complete your order today knowing that you’re protected by our risk-free money-back guarantee.

Do you have the research you used to develop Total Fem Collagen?

Total Fem Collagen References
 

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Proksch E, Schunck M, Zague V, Segger D, Degwert J, Oesser S. Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol Physiol. 2014;27(3):113-9. doi:10.1159/000355523. Epub 2013 Dec 24. PubMed PMID: 24401291.
 

Proksch E., Schunck M., Zague V., Segger D., Degwert J., Oesser S. “Oral Intake of Specific Bioactive Collagen Peptides Reduces Skin Wrinkles and Increases Dermal Matrix Synthesis.” Skin Pharmacol Physiology, December 2013
 

Raisz Lg (2005) “Pathogenesis Of Osteoporosis: Concepts, Conflicts, And Prospects.” J Clin Invest 115:3318-3325
 

Ramadass SK, Jabaris SL, Perumal RK, HairulIslam VI, Gopinath A, Madhan B. Type I collagen and its daughter peptides for targeting mucosal healing inulcerative colitis: A new treatment strategy. Eur J Pharm Sci. 2016 Aug 25;91:216-24. doi: 10.1016/j.ejps.2016.05.015. Epub 2016 May 13. PubMed PMID:27185300.
 

Ruiz-Zapata, Alejandra M., et al. “Vaginal Fibroblastic Cells from Women with Pelvic Organ Prolapse Produce Matrices with Increased Stiffness and Collagen Content.” Nature News, Nature Publishing Group, 11 Mar. 2016, www.nature.com/articles/srep22971.
 

Samonina G, Ashmarin I, Lyapina L. Glyproline peptide family: review on bioactivity and possible origins. Pathophysiology. 2002 Aug;8(4):229-234. PubMed PMID: 12100966.
 

Schunck, Michael  Zague, Vivian, Oesser, Steffen, Proksch, Ehrhardt.
“Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology.” JOURNAL OF MEDICINAL FOOD, J Med Food 00 (0) 2015, 1–9, DOI: 10.1089/jmf.2015.0022
 

Schunck M, Zague V, Oesser S, Proksch E. Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology. J Med Food. 2015 Dec;18(12):1340-8. doi: 10.1089/jmf.2015.0022. Epub 2015 Nov 12. PubMed PMID: 26561784; PubMed Central PMCID: PMC4685482.
 

Smith K, Rennie MJ. New approaches and recent results concerning human-tissue collagen synthesis. Curr Opin Clin Nutr Metab Care. 2007 Sep;10(5):582-90. Review. PubMed PMID: 17693741.
 

Söderberg, Marie Westergren, et al. “Young Women with Genital Prolapse Have a Low Collagen Concentration.” Acta Obstetricia Et Gynecologica Scandinavica, vol. 83, no. 12, 2004, pp. 1193–1198., doi:10.1111/j.0001-6349.2004.00438.x.
 

Sroga GE, Vashishth D. Effects of bone matrix proteins on fracture and fragility in osteoporosis. Curr Osteoporos Rep. 2012 Jun;10(2):141-50. doi:10.1007/s11914-012-0103-6. Review. PubMed PMID: 22535528; PubMed Central PMCID:PMC3375270.
 

Tirrell TF, Cook MS, et al. Human skeletal muscle biochemical diversiy. J Exp Biol. 2012 Aug 1;215(Pt 15):2551- 9. doi: 10.1242/jeb.069385. Erratum in: J Exp Biol. 2012 Aug 1;215(Pt 15):2931. PMID:22786631.
 

Viguet-Carrin S, Garnero P, Delmas PD. The role of collagen in bone strength. Osteoporos Int. 2006;17(3):319- 36. Epub 2005 Dec 9. Review. PubMed PMID:16341622.
 

Vollmer, David L, et al. “Enhancing Skin Health: By Oral Administration of Natural Compounds and Minerals with Implications to the Dermal Microbiome.” International Journal of Molecular Sciences, MDPI, 7 Oct. 2018, www.ncbi.nlm.nih.gov/pmc/articles/PMC6213755/.
 

Weh L. Changes in the properties of tissue through the administration of gelatine—a biomechanical in-vivo pilot study. Extracta orthopaedica. 2001;4:12-16.
 

Welle, Stephen. Human Protein metabolism. Chapter 4: Whole body-Protein Turnover. Turnover of Specific Proteins.
 

Wong MY; Harmanli OH; Agar M; Dandolu V; Grody MH; “Collagen Content of Nonsupport Tissue in Pelvic Organ Prolapse and Stress Urinary Incontinence.” American Journal of Obstetrics and Gynecology, U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/14710077/. 
 

Xu Y, Han X, Li Y. Effect of marine collagen peptides on long bone development in growing rats. J Sci Food Agric. 2010 Jul;90(9):1485-91. doi: 10.1002/jsfa.3972. PubMed PMID: 20549801.
 

Zague V. A new view concerning the effects of collagen hydrolysate intake on skin properties. Arch Dermatol Res. 2008 Oct;300(9):479-83. doi: 10.1007/s00403-008-0888-4. Epub 2008 Sep 11. PubMed PMID: 18784933.
 

Zague V, de Freitas V, da Costa Rosa M, de Castro GÁ, Jaeger RG, Machado-Santelli GM. Collagen hydrolysate intake increases skin collagen expression and suppresses matrix metalloproteinase 2 activity. J Med Food. 2011 Jun;14(6):618-24.Epub 2011 Apr 11. PubMed PMID:21480801.
 

Zdzieblik D, Oesser S, Gollhofer A, König D. “Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides.” Appl Physiol Nutr Metab. 2017 Jun;42(6):588-595. doi: 10.1139/apnm-2016-0390. Epub 2017 Jan 24.
 

Zdzieblik D, Oesser S, Gollhofer A, König D. Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides. Appl Physiol Nutr Metab. 2017 Jun;42(6):588-595. doi: 10.1139/apnm-2016-0390. Epub 2017 Jan 24. PubMed PMID: 28177710.
 

Zdzieblik D, Oesser S, Baumstark MW, Gollhofer A, König D. Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomized controlled trial. Br J Nutr. 2015 Oct 28;114(8):1237-45. doi: 10.1017/S0007114515002810.Epub 2015 Sep 10. PubMed PMID: 26353786; PubMed Central PMCID: PMC4594048.
 

Zolotarev IuA, Badmaeva KE, Bakaeva ZV, Samonina GE, Kopylova GN, Dadaian AK, Zverkov IuB, Garanin SK, Vas’kovskiĭ BV, Ashmarin IP, Miasoedov NF. [Short peptide fragments with antiulcer activity from a collagen hydrolysate]. Bioorg Khim. 2006 Mar-Apr;32(2):192-7. Russian. PubMed PMID: 16637291.

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Proksch E, Segger D, Degwert J, Schunck M, Zague V, Oesser S. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacol Physiol. 2014;27(1):47-55. Epub 2013 Aug 14. PubMed PMID: 23949208.
 

Proksch E., Segger D., Degwert J., Schunck M., Zague V., Oesser S. ”Oral Supplementation of Specific Collagen Peptides Has Beneficial Effects on Human Skin Physiology: A Double-Blind, Placebo-Controlled Study” Skin Pharmacol Physiology, August 2013
 

Proksch E, Schunck M, Zague V, Segger D, Degwert J, Oesser S. Oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol Physiol. 2014;27(3):113-9. doi:10.1159/000355523. Epub 2013 Dec 24. PubMed PMID: 24401291.
 

Proksch E., Schunck M., Zague V., Segger D., Degwert J., Oesser S. “Oral Intake of Specific Bioactive Collagen Peptides Reduces Skin Wrinkles and Increases Dermal Matrix Synthesis.” Skin Pharmacol Physiology, December 2013
 

Raisz Lg (2005) “Pathogenesis Of Osteoporosis: Concepts, Conflicts, And Prospects.” J Clin Invest 115:3318-3325
 

Ramadass SK, Jabaris SL, Perumal RK, HairulIslam VI, Gopinath A, Madhan B. Type I collagen and its daughter peptides for targeting mucosal healing inulcerative colitis: A new treatment strategy. Eur J Pharm Sci. 2016 Aug 25;91:216-24. doi: 10.1016/j.ejps.2016.05.015. Epub 2016 May 13. PubMed PMID:27185300.
 

Ruiz-Zapata, Alejandra M., et al. “Vaginal Fibroblastic Cells from Women with Pelvic Organ Prolapse Produce Matrices with Increased Stiffness and Collagen Content.” Nature News, Nature Publishing Group, 11 Mar. 2016, www.nature.com/articles/srep22971.
 

Samonina G, Ashmarin I, Lyapina L. Glyproline peptide family: review on bioactivity and possible origins. Pathophysiology. 2002 Aug;8(4):229-234. PubMed PMID: 12100966.

Schunck, Michael  Zague, Vivian, Oesser, Steffen, Proksch, Ehrhardt.
“Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology.” JOURNAL OF MEDICINAL FOOD, J Med Food 00 (0) 2015, 1–9, DOI: 10.1089/jmf.2015.0022
 

Schunck M, Zague V, Oesser S, Proksch E. Dietary Supplementation with Specific Collagen Peptides Has a Body Mass Index-Dependent Beneficial Effect on Cellulite Morphology. J Med Food. 2015 Dec;18(12):1340-8. doi: 10.1089/jmf.2015.0022. Epub 2015 Nov 12. PubMed PMID: 26561784; PubMed Central PMCID: PMC4685482.
 

Smith K, Rennie MJ. New approaches and recent results concerning human-tissue collagen synthesis. Curr Opin Clin Nutr Metab Care. 2007 Sep;10(5):582-90. Review. PubMed PMID: 17693741.
 

Söderberg, Marie Westergren, et al. “Young Women with Genital Prolapse Have a Low Collagen Concentration.” Acta Obstetricia Et Gynecologica Scandinavica, vol. 83, no. 12, 2004, pp. 1193–1198., doi:10.1111/j.0001-6349.2004.00438.x.
 

Sroga GE, Vashishth D. Effects of bone matrix proteins on fracture and fragility in osteoporosis. Curr Osteoporos Rep. 2012 Jun;10(2):141-50. doi:10.1007/s11914-012-0103-6. Review. PubMed PMID: 22535528; PubMed Central PMCID:PMC3375270.
 

Tirrell TF, Cook MS, et al. Human skeletal muscle biochemical diversiy. J Exp Biol. 2012 Aug 1;215(Pt 15):2551- 9. doi: 10.1242/jeb.069385. Erratum in: J Exp Biol. 2012 Aug 1;215(Pt 15):2931. PMID:22786631.
 

Viguet-Carrin S, Garnero P, Delmas PD. The role of collagen in bone strength. Osteoporos Int. 2006;17(3):319- 36. Epub 2005 Dec 9. Review. PubMed PMID:16341622.
 

Vollmer, David L, et al. “Enhancing Skin Health: By Oral Administration of Natural Compounds and Minerals with Implications to the Dermal Microbiome.” International Journal of Molecular Sciences, MDPI, 7 Oct. 2018, www.ncbi.nlm.nih.gov/pmc/articles/PMC6213755/.
 

Weh L. Changes in the properties of tissue through the administration of gelatine—a biomechanical in-vivo pilot study. Extracta orthopaedica. 2001;4:12-16.
 

Welle, Stephen. Human Protein metabolism. Chapter 4: Whole body-Protein Turnover. Turnover of Specific Proteins.
 

Wong MY; Harmanli OH; Agar M; Dandolu V; Grody MH; “Collagen Content of Nonsupport Tissue in Pelvic Organ Prolapse and Stress Urinary Incontinence.” American Journal of Obstetrics and Gynecology, U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/14710077/. 
 

Xu Y, Han X, Li Y. Effect of marine collagen peptides on long bone development in growing rats. J Sci Food Agric. 2010 Jul;90(9):1485-91. doi: 10.1002/jsfa.3972. PubMed PMID: 20549801.
 

Zague V. A new view concerning the effects of collagen hydrolysate intake on skin properties. Arch Dermatol Res. 2008 Oct;300(9):479-83. doi: 10.1007/s00403-008-0888-4. Epub 2008 Sep 11. PubMed PMID: 18784933.
 

Zague V, de Freitas V, da Costa Rosa M, de Castro GÁ, Jaeger RG, Machado-Santelli GM. Collagen hydrolysate intake increases skin collagen expression and suppresses matrix metalloproteinase 2 activity. J Med Food. 2011 Jun;14(6):618-24.Epub 2011 Apr 11. PubMed PMID:21480801.
 

Zdzieblik D, Oesser S, Gollhofer A, König D. “Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides.” Appl Physiol Nutr Metab. 2017 Jun;42(6):588-595. doi: 10.1139/apnm-2016-0390. Epub 2017 Jan 24.
 

Zdzieblik D, Oesser S, Baumstark MW, Gollhofer A, König D. Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomized controlled trial. Br J Nutr. 2015 Oct 28;114(8):1237-45. doi: 10.1017/S0007114515002810.Epub 2015 Sep 10. PubMed PMID: 26353786; PubMed Central PMCID: PMC4594048.
 

Zolotarev IuA, Badmaeva KE, Bakaeva ZV, Samonina GE, Kopylova GN, Dadaian AK, Zverkov IuB, Garanin SK, Vas’kovskiĭ BV, Ashmarin IP, Miasoedov NF. [Short peptide fragments with antiulcer activity from a collagen hydrolysate]. Bioorg Khim. 2006 Mar-Apr;32(2):192-7. Russian. PubMed PMID: 16637291.

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