The Trinity Stack: vitamin D3, creatine monohydrate and complete multivitamin
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The Trinity Stack

three daily basics in one order: creatine, a complete multivitamin and vitamin d3.

  • creatine
  • multivitamin
  • vitamin d3
  • $85$94
save $9 vs separate

easy to fit this into your daily routine.Damien F., verified buyer

or pick one ↓

As seen onFOX59 · CBS4 · Inside Indiana Business · WIBC 93.1 FM · B105.7

Prefer to start with one?

Pick the product that fits your routine.

The full stack is optional. Start with one product, keep the routine simple, and add something only when it has a clear job.

Real routines.

How people use it.

Short videos from PeakFusion creators. Each one links to the exact product in their routine.

Check the batch

Read the results before you buy.

Test results for each lot are published with the lot number.

Creatine MonohydrateFull label strength

An independent lab measured the current lot at full label strength.

Complete MultivitaminLabel claims checked

Label claims confirmed by HPLC, and heavy metals within spec, on the current lot.

Vitamin D3Lot report published

2,000 IU per softgel on the label. The current lot's report is posted with its lot number.

View full lab results
Grant Myers, PeakFusion founder, at Grand Park Sports Complex

Meet the founder

A small supplement brand should feel accountable.

PeakFusion was founded by Grant Myers, an IU Kelley School of Business sophomore studying finance and accounting and a former soccer player at Indy Eleven and Hoosier FC.

Test results for each lot are published so customers can check the proof before they buy.

IU Kelley School of Business Former Indy Eleven & Hoosier FC FOX59 Indianapolis IBJ Media · Inside Indiana Business Official Grand Park vendor

In the news

PeakFusion has been covered across Indiana.

Local news and business outlets covered Grant's work at IU, Grand Park, and the decision to publish product testing.

FOX59 Morning News · January 2026

“IU student builds a supplement, nutrition business”

Inside INdiana Business · June 2026

“IU student, entrepreneur leverages in-person connection to help build supplement brand”

Current Publishing · July 2026

“IU student launches supplement business”

Also covered by CBS4 Indianapolis, WIBC 93.1 FM, and B105.7.

Grant Myers on FOX59 Morning News discussing PeakFusion Supplements Grant Myers during FOX59 interview at Grand Park

PeakFusion gear

Black and white basics.

Everyday pieces in the same black and white as the bottles, with a small embroidered or printed mark. Made to order and shipped separately from supplements.

The Pullover

Apparel

The Pullover

Black wordmark on the chest, a small goose on the upper back, brushed fleece inside.

White2XS-6XL
The Crewneck

Apparel

The Crewneck

Embroidered wordmark on the chest, a small goose printed at the back of the neck.

Black or whiteS-3XL

Shop all gear →

white peter millar polo with the PeakFusion wordmark The crew Or earn it free. The top reward is a Peter Millar polo. Send friends 15% off. Every friend who orders moves you up a ladder of free gear, ending in a $105 Peter Millar polo with our wordmark on the chest. Adults 18+. Join the crew →

Peter Millar is a trademark of its owner, not affiliated with PeakFusion.

Start with the foundation

Creatine. D3. Complete multivitamin.

All three products, one checkout, and one simple routine.

View lab results

$94save $9 vs buying all three separately