Vital Proteins Collagen Peptides Nutrition Facts (2026): 18g Protein at 70 Calories — What the Label Doesn’t Tell You

Nutrition Facts by Flavor

All data from the Vital Proteins label, cross-checked at five grocery retailer nutrition databases (Lowes Foods, Hannaford, Stop & Shop, ShopRite, Lucky Supermarkets), October 2026.

All flavors use a standard 20g scoop. The Unflavored version has no additives beyond bovine hide collagen peptides and vitamin C (80mg, 89% DV). Vanilla and Chocolate add natural flavors and a small amount of coconut sugar.

Protein-to-Calorie Ratio

At 25.7g of protein per 100 calories (Unflavored), collagen competes on paper with whey isolate:

• Vital Proteins Collagen Unflavored: 25.7g per 100 cal (18g / 70 cal)
• Whey Isolate (e.g. Isopure Zero Carb): ~25g per 100 cal (25g / ~100 cal)
• Whey Concentrate (e.g. ON Gold Standard): ~20g per 100 cal (24g / 120 cal)
• Casein (e.g. ON Gold Standard Casein): ~20g per 100 cal (24g / 120 cal)
• Quest Bar: 11.7g per 100 cal (21g / 180 cal)
• RXBAR: 5.7g per 100 cal (12g / 210 cal)

The caveat: protein quality is not grams alone. Amino acid completeness matters for how the body actually uses those grams.

The Incomplete Protein Problem

A “complete” protein contains all nine essential amino acids (EAAs). Collagen fails this on two counts:

• No tryptophan. Tryptophan is one of the nine EAAs and is entirely absent from collagen’s molecular structure. No processing, hydrolysis, or flavoring step adds it. Collagen will always read zero on tryptophan.
• Near-zero methionine. Methionine is the rate-limiting amino acid for glutathione synthesis and multiple metabolic pathways. Collagen contains trace to zero methionine depending on the peptide fraction.

For muscle protein synthesis (MPS), the limiting factor is the availability of all essential amino acids — especially leucine, which collagen has at moderate levels (~3% of total amino acids), but the absence of tryptophan means collagen alone cannot drive MPS the way complete proteins can. Controlled trials comparing collagen to whey at matched protein doses in older adults have found no MPS advantage for collagen.

For joint and connective tissue health, the calculation flips. Collagen is the primary structural protein in tendons, ligaments, and cartilage. The body synthesizes new collagen from glycine, proline, and hydroxyproline — all abundant in collagen peptides and near-absent in most other protein sources. A 2019 RCT (Shaw et al., British Journal of Nutrition) found that 15g of collagen peptides plus vitamin C before exercise increased connective tissue collagen synthesis markers versus placebo. Vital Proteins adds 80mg of vitamin C per serving specifically for this pathway.

Vital Proteins vs. Other Collagen Brands

Vital Proteins’ 20g serving and added vitamin C distinguish it from most competitors. Great Lakes is the budget alternative; Ancient Nutrition’s multi-source formula appeals to shoppers who want type I, II, and III collagen from different tissues.

Where to Buy and Current Pricing (October 2026)

• 10 oz (283g, ~14 servings): $27–$30 at Target, CVS, Whole Foods (~$1.93–$2.14 per serving)
• 20 oz (567g, ~28 servings): $44–$48 at Amazon, Walmart (~$1.57–$1.71 per serving)
• Costco (28 oz / 794g, ~39 servings): $46–$53 (~$1.18–$1.36 per serving)

View Vital Proteins Collagen Peptides on Amazon to compare pack sizes and current prices.

How to Use It

Collagen peptides dissolve completely in cold or hot liquids — unlike most protein powders. Common uses:

• Coffee or tea: One scoop is imperceptible in hot coffee; the Vanilla flavor improves the taste. This is the most common use case Vital Proteins markets.
• Smoothies: Pairs well with a whey or plant protein base to fill the amino acid gaps collagen leaves (whey provides the tryptophan and methionine collagen lacks).
• Bone broth: Adding a scoop amplifies the natural collagen content without changing flavor.

If joint or skin health is the goal, the research-backed approach is 15–20g before exercise with a vitamin C source. Vital Proteins’ added vitamin C handles that, making it a convenient single-product solution.

Frequently Asked Questions

Is Vital Proteins Collagen Peptides a complete protein?

No. Collagen peptides are an incomplete protein — they lack tryptophan entirely and have near-zero methionine. They cannot serve as a primary protein source for muscle building. Use them alongside complete proteins (whey, eggs, meat, dairy) or as a supplement to a complete protein powder, not as a replacement.

How much protein is in one scoop of Vital Proteins Collagen Peptides?

One scoop (20g) of the Unflavored version contains 18g of protein at 70 calories. Vanilla delivers 18g at 80 calories; Chocolate delivers 18g at 90 calories, with small amounts of carbohydrate from natural flavoring and coconut sugar. Figures verified at five grocery retailer nutrition databases in October 2026.

Does Vital Proteins Collagen help with joints?

There is clinical support specifically for connective tissue health. A 2019 RCT by Shaw et al. in British Journal of Nutrition found 15g of collagen peptides plus vitamin C before exercise increased collagen synthesis markers more than placebo. Vital Proteins adds 80mg of vitamin C per serving for this reason. The evidence for joint benefits from collagen is more consistent than the evidence for muscle-mass gains.

Can I use Vital Proteins Collagen Peptides instead of whey protein?

Not as a direct replacement for muscle building. Collagen lacks tryptophan and near-zero methionine, making it an incomplete protein that cannot drive muscle protein synthesis the same way whey can. Collagen can supplement whey — adding a scoop to a smoothie alongside whey provides the connective tissue benefits without giving up the complete amino acid profile. See our best whey protein isolate guide for comparisons.

Is it worth buying the Costco size of Vital Proteins?

Yes, if you use it consistently. The Costco 28 oz container brings the per-serving cost to approximately $1.18–$1.36, versus $1.93–$2.14 for the 10 oz retail format. Collagen peptides absorb moisture over time, so store with the lid tightly sealed. If you’re unsure whether you’ll use it daily, start with the 20 oz Amazon format before committing to the club-store size.

Bottom line: Vital Proteins Collagen Peptides delivers one of the best protein-to-calorie ratios of any supplement at 25.7g per 100 calories — but the label overstates its usefulness for muscle building because collagen is incomplete without tryptophan. Its real value is connective tissue support: the clinical evidence for joint and tendon health is stronger and more consistent than for muscle gains, and the added vitamin C activates the mechanism the research supports. Use it alongside a complete protein source, not instead of one. The Costco format at ~$1.20–$1.36 per serving is the best value; the 20 oz Amazon format is the most convenient starting point. Check current prices on Amazon.