PepForm® is a patented peptide carrier technology developed by Glanbia Nutritionals, an Irish ingredient company. In PepForm Creatine Peptides, creatine is bonded to small di/tripeptides derived from whey protein, which are absorbed via the PEPT1 transporter in the intestine — a different pathway from standard creatine absorption.

It is paired with 3g of creatine monohydrate in this formula, contributing to the 6g total creatine per serve. No independently peer-reviewed human study directly comparing PepForm creatine absorption to creatine monohydrate is currently publicly available.

Creatine monohydrate is the form used in the vast majority of published creatine research and is considered the reference standard. It has near-complete intestinal absorption when taken correctly and has decades of peer-reviewed evidence behind it.

PepForm creatine peptide uses a different delivery format (peptide-bonded, absorbed via PEPT1 transporter). Creatine Peptide 447 includes 3g of each to give 6g total creatine per serving — combining the established evidence base of monohydrate with the alternative delivery approach of PepForm.

L-Theanine at 200mg is the dose used in a 2019 randomised double-blind placebo-controlled trial (Hidese et al., Nutrients) which found significant improvements in verbal fluency and executive function, and reductions in stress and anxiety scores over 4 weeks.5

L-Theanine also has well-published evidence for complementing caffeine: a 2008 study in the Journal of Nutrition found that L-Theanine combined with caffeine improved sustained attention and task accuracy vs either alone.6 This is why mixing Creatine Peptide 447 with coffee is a logical approach.

L-Tyrosine is a precursor to dopamine and noradrenaline. Published reviews of controlled trials34 suggest it is most effective at supporting cognitive function under conditions of stress, sleep deprivation, or demanding mental load — when neurotransmitter depletion is more likely to occur.

It is most useful for athletes training under fatigue, early in the morning, in physically demanding environments, or in mentally taxing competitive situations. At 1g per serve, this dose is at the lower end of amounts studied in the literature (most trials used 2g), though the direction of evidence at 1g is still positive.

No loading phase is required. At 1 scoop per day (6g total creatine), muscle creatine stores will gradually saturate over approximately 3–4 weeks of consistent daily use. A loading phase (typically 20g/day for 5–7 days) saturates stores faster but is optional.

At 2 scoops per day (12g total creatine), saturation may occur more quickly than at the standard 3–5g monohydrate dose used in most research protocols. Consistent daily use is more important than timing.

Yes — the product directions state “for best results, consume 2 servings per day,” which would provide 12g total creatine, 2g L-Tyrosine, and 400mg L-Theanine. At 30 serves per container, 2 scoops per day gives a 15-day supply. Creatine is generally well-tolerated at higher doses; ensure adequate hydration when supplementing with creatine.

Creatine Peptide 447 and Recovery Peptide 144 are designed as complementary products in the MuscleTech Peptide Series. Creatine Peptide 447 targets the performance side (strength, power, cognitive support during training). Recovery Peptide 144 targets the recovery side (PeptiStrong for muscle protein synthesis support, myHMB to help reduce breakdown). The ingredients do not overlap and are safe to use together.

MuscleTech Creatine Peptide 447 is available in New Zealand exclusively at Xplosiv. Order online at xplosiv.nz with nationwide delivery, or purchase in-store at any Xplosiv location across New Zealand. Xplosiv is the authorised New Zealand stockist for the full MuscleTech Peptide Series range, including both Creatine Peptide 447 and Recovery Peptide 144.