Creatine
$24.30
$30.00
with code DARU
COACH DARU'S DAILY STACK
The Performance Stack
The three basics I build every athlete's day around. Fully dosed and third-party tested.
Phil Daru is a Marek Supplements partner and earns a commission on purchases made through this page.
Why these three
I've spent my career preparing fighters, pro athletes and tactical professionals, and I always start with the basics. Most supplements on the shelf are under-dosed or never tested, so I don't recommend them. Marek is physician-formulated, fully dosed and third-party tested, with a COA you can read for every batch. These three are where I'd start any athlete.
- Strength coach to UFC champions
- 200+ pro & Olympic athletes
- 5,000+ coaches mentored
Phil's Performance Stack
Strength · Recovery · Foundation — the daily base for hard training.
Stack total: $89.10 $110.00
Code DARU takes 10% off at checkout.
INDEPENDENTLY VERIFIED
The data behind the stack
I don't recommend anything I can't verify. Every Marek batch is tested by independent labs, and every result is published.
Phil Daru
Independently verified — LC-MS/MS · HPLC · ICP-MS · two accredited labs per batch.
Creatine
Lot 26011418
Safety Testing
Summit Nutritional Laboratories
Potency & Allergens
Harken Research
Ingredient Verification · HPLC
Creatine Monohydrate
Micronized · 99.2% purity
Measured
4,961.14mg
Label claim
5,000 mg
5,000 mg
99.2% of label90–120% target zone
Heavy Metals · 4 analytes · USP <2232>
Arsenic
USP <2232>
Result
0.020mcg
Limit
< 15 mcg
< 15 mcg
0.13% of limit
Cadmium
USP <2232>
Result
< 0.001mcg
Limit
< 5 mcg
< 5 mcg
< 0.02% of limit
Lead
USP <2232>
Result
< 0.001mcg
Limit
< 5 mcg
< 5 mcg
< 0.02% of limit
Mercury
USP <2232>
Result
< 0.001mcg
Limit
< 15 mcg
< 15 mcg
< 0.007% of limit
Heavy metals · ICP-MS
Microbials
Gluten-Free
View full COA
Glutamine
Lot 26011420
Safety Testing
Summit Nutritional Laboratories
Potency & Allergens
Harken Research
Ingredient Verification · LC-MS/MS
L-Glutamine
Pure substance · 100.4% purity
Measured
5,020.72mg
Label claim
5,000 mg
5,000 mg
100.4% of label90–120% target zone
Heavy Metals · 4 analytes · USP <2232>
Arsenic
USP <2232>
Result
< 0.001mcg
Limit
< 15 mcg
< 15 mcg
< 0.007% of limit
Cadmium
USP <2232>
Result
< 0.001mcg
Limit
< 5 mcg
< 5 mcg
< 0.02% of limit
Lead
USP <2232>
Result
0.019mcg
Limit
< 5 mcg
< 5 mcg
0.38% of limit
Mercury
USP <2232>
Result
< 0.001mcg
Limit
< 15 mcg
< 15 mcg
< 0.007% of limit
Heavy metals · ICP-MS
Microbials
Gluten-Free
View full COA
Daily D3/K2
Lot 26011347
Safety Testing
Summit Nutritional Laboratories
Potency & Allergens
Harken Research
Ingredient Verification · HPLC & LC-MS/MS
Vitamin D3
Cholecalciferol · Overfilled for shelf-life stability
Measured
8,130.74IU
Label claim
5,000 IU
5,000 IU
162.6% of label90–120% target zone
Vitamin K2 (MK-4)
Menaquinone-4
Measured
1,847.10mcg
Label claim
2,000 mcg
2,000 mcg
92.4% of label90–120% target zone
Vitamin K2 (MK-7)
Menaquinone-7
Measured
195.27mcg
Label claim
180 mcg
180 mcg
108.5% of label90–120% target zone
Heavy Metals · 4 analytes · USP <2232>
Arsenic
USP <2232>
Result
0.022mcg
Limit
< 15 mcg
< 15 mcg
0.15% of limit
Cadmium
USP <2232>
Result
0.002mcg
Limit
< 5 mcg
< 5 mcg
0.04% of limit
Lead
USP <2232>
Result
0.010mcg
Limit
< 5 mcg
< 5 mcg
0.20% of limit
Mercury
USP <2232>
Result
< 0.001mcg
Limit
< 15 mcg
< 15 mcg
< 0.007% of limit
Heavy metals · ICP-MS
Microbials
Gluten-Free
View full COA
Frequently asked questions
How long does shipping take?
We ship fast — orders go out within 1 business day. From there:
- Standard (3–7 business days): Free on orders over $99 within contiguous U.S.
- Expedited (2–3 business days): Available at checkout within contiguous U.S.
- Canada (7 business days): Flat shipping to Canada with duties included.
- Australia (~7 business days): Flat $50 USD shipping via FedEx (max 1 unit per product).
You'll receive tracking info by email as soon as your order ships.
Do you ship internationally?
We ship to the U.S., Canada, and Australia.
Canadian orders ship duties-included; Australian orders are limited to 1 unit per product under Australia's import rules. More destinations are coming — sign up for our newsletter at the bottom of any page and we'll let you know when they're available.
Are your supplements third-party tested?
Every single batch of Marek Supplements is manufactured in a cGMP-compliant, NSF/ANSI 455-2 certified U.S. facility, with globally sourced ingredients tested by two ISO-accredited laboratories for identity, potency, heavy metals, microbial contaminants, and allergens. Because what's on the label should be what's in the bottle — and nothing else.
Do you offer subscriptions?
Absolutely. Choose Subscribe & Save at checkout and we'll ship every 90 days — you'll save 10% on every order, and you can pause, skip, or cancel whenever you like.
Are your supplements non-GMO and gluten-free?
Yes. All Marek Supplements are non-GMO and gluten-free (verified by third-party lab testing), with no artificial dyes or preservatives.
Phil Daru is a Marek Supplements partner and earns a commission on purchases made through this page.