Compare the stimulants
A 395 mg caffeine blend, plus a 40% methyl liberine ingredient yielding 50 mg Dynamine. Blend weight is not pure caffeine yield.
PreFix - Advanced PreWorkout featuring Dynamine
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High-stimulant pre-workout · Dynamine + caffeine blend · 25 servings
- Regular price
- $49.99
- Sale price
- $49.99
- Regular price
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Jump to Supplement FactsA different kind
High-stimulant pre-workout
A different kind
of training formula.
PreFix combines L-citrulline and beta-alanine with a caffeine blend, Dynamine, L-theanine and electrolytes. It is the high-stimulant option in the SelfEvolve pre-workout lineup.
Blue Slush · Cherry Limeade · Strawberry Banana
- 6 gL-Citrulline
- 3.2 gBeta-Alanine
- 50 mgDynamine yield
from 125 mg ingredient
Before the first rep
Get your routine ready.
PreFix is for people deliberately choosing a high-stimulant pre-workout. Read the complete formula and directions before you choose.
Training ingredients, disclosed
6 g L-citrulline and 3.2 g beta-alanine in each full-scoop serving.
Electrolytes included
The label lists calcium, magnesium, sodium and potassium, with amounts shown below.
Read the label
Supplement Facts
Read the current published formula panel. Check your selected flavor’s container for its exact serving weight, Other Ingredients and warnings.
PreFix — published Supplement Facts panel
Published panel: 1 Scoop (17.5 g); 25 servings per container.
| Ingredient | Amount / Daily Value when listed |
|---|---|
| L-Citrulline | 6,000 mg |
| Beta-Alanine | 3,200 mg |
| L-Tyrosine | 500 mg |
| Choline Bitartrate | 500 mg |
| L-Theanine | 250 mg |
| Methyl liberine (40% Dynamine, yielding 50 mg) | 125 mg |
| Alpha-Glyceryl Phosphoryl Choline 50% | 100 mg |
| Toothed Clubmoss (Huperzia serrata, aerial parts) (1% Huperzine A) | 250 mcg |
| Caffeine Blend (caffeine anhydrous, dicaffeine malate, caffeine citrate) | 395 mg |
| Choline (as choline bitartrate) | 200 mg (36% DV) |
| Calcium (as calcium citrate) | 50 mg (4% DV) |
| Magnesium (as magnesium bisglycinate chelate) | 100 mg (24% DV) |
| Sodium (as sodium citrate) | 100 mg (4% DV) |
| Potassium (as potassium citrate) | 200 mg (4% DV) |
Daily Values not established except where shown. Percent Daily Values are based on a 2,000 calorie diet. The 395 mg figure is caffeine blend ingredient weight; total caffeine yield is not separately disclosed. Alpha-GPC is the listed 50% ingredient.
Other Ingredients on this panel: Citric Acid, Malic Acid, Silicon Dioxide, Natural Flavors, Sucralose, Spirulina Extract (for color).
Allergen statement: Manufactured in a facility which processes Milk, Eggs, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soybeans, and Sesame.
Before training
How to use PreFix
- Mix 1 scoop with 6 fl oz of water.
- Take 20-30 minutes before training.
- Beginners should assess tolerance with 1/2 scoop, following the container directions.
High-stimulant pre-workout. Follow the complete directions and warnings on your container and account for other caffeine sources.
Common questions
Before you choose PreFix.
Does 395 mg mean 395 mg pure caffeine?
No. The label lists 395 mg of a blend containing caffeine anhydrous, dicaffeine malate and caffeine citrate. Total caffeine yield is not separately disclosed on this panel.
How much Dynamine does the label list?
The panel lists 125 mg of a 40% methyl liberine ingredient, yielding 50 mg Dynamine.
How does PreFix differ from Fixated and PumpFix?
PreFix is the high-stimulant option, Fixated lists 250 mg caffeine anhydrous, and PumpFix has no added caffeine. Compare the label facts below.
How many servings are in a container?
The label lists 25 servings. Use your selected flavor’s label for its exact scoop weight.
FIND YOUR PRE-WORKOUT
Compare your pre-workout.
Non-stim, mid-stim or high-stim. See the differences at a glance.
Swipe the table to compare all three →
| Compare | PumpFix | Fixated | PreFix |
|---|---|---|---|
| Stimulant level | Non-stim | Mid-stim | High-stim |
| Caffeine | 0 mg | 250 mg | 395 mg*Caffeine blend |
| L-citrulline | 10 g | 6 g | 6 g |
| GlycerSize® | 3 g65% glycerol | ✕ | ✕ |
| Beta-alanine | 3.2 g | 3.2 g | 3.2 g |
| Betaine anhydrous | 2.5 g | 2.5 g | ✕ |
| Servings per tub | 20 | 25 | 25 |
| Before training | 15–30 min | 15–30 min | 20–30 min |
*PreFix: 395 mg is the combined ingredient weight of the caffeine blend (caffeine anhydrous, dicaffeine malate and caffeine citrate). Total caffeine yield is not separately stated on the label. PreFix also contains Dynamine.
✕ = none / not listed. Follow your selected product’s complete directions and warnings. Choose one pre-workout and account for caffeine from other sources.
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