Founded
1994
Parent
Post Holdings
Products
15+
Specialty
Protein
Avg Score
8.3/10
3P Tested
Dual
Brand overview
Dymatize was founded in 1994 in Farmers Branch, Texas by a group of sport scientists and nutrition researchers. The brand built its early reputation on high-purity protein formulations for competitive athletes at a time when most supplement companies were still prioritising flavour and marketing over ingredient quality. ISO100 launched in the early 2000s and became the reference product for athletes who required verified, clean protein sources.
Post Holdings, the St. Louis-based food conglomerate, acquired Dymatize in 2014 for approximately $380 million — one of the largest sports nutrition acquisitions of that decade. Post Holdings also owns Premier Protein and various other nutrition brands. The acquisition gave Dymatize access to Post's manufacturing scale and retail distribution, which enabled broader placement in mainstream grocery and mass-retail channels alongside the brand's traditional specialty fitness retail presence.
The brand's strategy has remained consistent post-acquisition: a relatively focused product range centred on premium protein, with independent certification as the primary quality differentiator. ISO100's dual Informed Choice + NSF Certified for Sport status was achieved and maintained after the acquisition — a credible signal that Post Holdings did not compromise the certification programme to reduce costs.
Headquarters
Dallas, Texas, USA
Founded
1994 (Farmers Branch, TX)
Parent company
Post Holdings (acq. 2014, ~$380M)
Manufacturing
USA
Certification
Informed Choice + NSF Certified for Sport
Flagship product
ISO100 Hydrolyzed Whey Protein
Flagship score
9/10 (FSP v2.1)
Key claim
Only dual-certified hydrolyzed WPI on market
Quick verdict
What works
- Dual Informed Choice + NSF Certified for Sport on ISO100 — fewer than 5% of protein products hold both simultaneously
- 2.7g leucine per serving — above the 2.5g MPS threshold identified by Churchward-Venne et al. (2012)
- Full BCAA breakdown on label: leucine, isoleucine, and valine listed individually with gram weights
- Hydrolyzed whey isolate first ingredient — no WPC padding or protein matrix blending
- 30-year track record with zero FDA warning letters or product recalls
- No proprietary protein blends — the entire protein source is identified and characterised on the label
Watch out for
- Premium pricing: ISO100 runs $2.09/serving — 50–65% above the whey isolate category average of $1.20–1.40
- Narrow product range: core expertise is protein, with fewer accessory products than ON or MyProtein
- 'Natural and artificial flavors' on ISO100 is unspecified — standard practice but not fully transparent
- Creatine Monohydrate offering has no differentiating features versus cheaper single-ingredient alternatives
- Post Holdings acquisition (2014) shifted brand positioning upmarket — older community concerns about formula consistency post-acquisition are unverified but documented
Certifications & testing
Informed Choice / Informed Sport
Confirmed
ISO100 carries Informed Choice certification — each production lot independently tested for 200+ WADA prohibited substances before release. Certificate verifiable by batch number on the Informed Sport registry.
NSF Certified for Sport
Confirmed
ISO100 is NSF Certified for Sport — independently tested for prohibited substances and label-claim accuracy. NSF Sport certification involves formula-level and batch-level testing, adding a second independent verification layer.
Dual Certification (ISO100)
Confirmed
ISO100 is one of fewer than 5% of protein supplements globally to simultaneously hold both Informed Choice and NSF Certified for Sport. Each certification uses different laboratory protocols — dual status provides the highest level of independent verification available in the category.
USP Verified
Not certified
No USP Dietary Supplement Verification found across the Dymatize range as of May 2026.
BSCG Certified Drug Free
Not certified
No BSCG certification found across the Dymatize range.
FDA Record
Confirmed
No FDA warning letters, product recalls, or significant adverse event reports on file for Dymatize. Clean regulatory record since 1994.
Informed Choice and NSF Certified for Sport are independent programmes run by different organisations (LGC Group and NSF International respectively) using different laboratory protocols and testing panels. Holding both simultaneously means ISO100 has passed two independent verification regimes — a product could theoretically pass one and fail the other. For athletes in tested sports, dual certification is the highest confidence level available from a single commercial product. No other hydrolyzed whey protein currently holds both at the time of writing (May 2026).
Full product lineup
Reviewed products
Elite Casein and Pre W.O. reviews publishing next.
Common questions
Dymatize's Gold tier rating rests almost entirely on ISO100. The dual Informed Choice and NSF Certified for Sport certification is a genuine differentiator — not marketing language but a verifiable fact that no other hydrolyzed whey product currently matches. For athletes in tested sports or anyone who places a premium on independent verification, ISO100 is the correct recommendation without qualification.
The honest caveat is range depth. Dymatize does relatively little outside protein. The creatine is a basic single-ingredient product with no distinguishing features. Pre W.O. doses citrulline below the most-studied performance thresholds. The casein is solid but unremarkable. This is not a brand you come to for breadth — it is a brand you come to because you want the most verified protein supplement commercially available in the United States.
The price is real and it is the primary reason some users choose ON Gold Standard or MyProtein ISO Pro instead. That is a legitimate trade-off. What ISO100 costs in dollars per serving, it returns in certainty — a commodity that is worth more in competitive sports contexts than it is for recreational gym use. Know your use case before deciding whether the premium is justified for you specifically.