Tournament Nutrition Guide
Created by Matthias Althoff, head performance coach of the German National Team, this is the complete playbook for golf training, tournament week, and round day—built around steady blood sugar and APN's 3-stage fueling approach to keep your energy, focus, and execution constant from the first tee to the 18th green.
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APN Fuel Sachets
Fuel built for every stage of your round.
Why 3 phases?
The physical and cognitive demands of your body change significantly over the course of an 18-hole round. If you care about performance, you need to fuel specifically for each stage.
Activation
Pre-Game
Warm up — Hole 5
Sustain
Mid-Game
Hole 6 — Hole 12
Close
End-Game
Hole 13 — Hole 18
Every ingredient earns its place.
No hidden quantities. Every compound in APN FUEL is listed below at its exact dose as printed on the label, with the corresponding nutrient reference value where one exists.
Formula
View the Full Ingredient List
WARM-UP TO HOLE 5
Start Sharp
1 stick = 10 g powder in 500 ml still water
The Pre-Game sachet combines the Performance Complex with vitamin C, folic acid and vitamin B12, which contribute to normal energy-yielding metabolism and to the reduction of tiredness and fatigue.† Mix with 500 ml still water and sip from warm-up to hole 5.
L-Citrulline DL-Malate
Amino acid bound to malic acid
A non-essential amino acid combined with malate. Part of the Performance Complex that forms the base of the Pre-Game sachet, taken from warm-up to hole 5.
L-Glutamine
The most abundant free amino acid in the body
A conditionally essential amino acid, naturally present in protein-rich foods. Included in the Performance Complex of the Pre-Game sachet.
Glycine
The simplest amino acid
A naturally occurring amino acid with a mildly sweet taste. Included in the Performance Complex of the Pre-Game sachet.
Taurine
Amino sulfonic acid
An organic compound naturally found in meat, fish and dairy. Included in the Performance Complex of the Pre-Game sachet.
Vitamin C
Energy metabolism & reduction of tiredness†
Vitamin C contributes to normal energy-yielding metabolism, to the normal function of the nervous system, to normal psychological function, to the reduction of tiredness and fatigue and to the protection of cells from oxidative stress.†
Folic Acid
Psychological function & reduction of tiredness†
Folate contributes to normal psychological function, to normal amino acid synthesis and to the reduction of tiredness and fatigue.†
Vitamin B12
Nervous system & energy metabolism†
Vitamin B12 contributes to normal energy-yielding metabolism, to the normal function of the nervous system, to normal psychological function and to the reduction of tiredness and fatigue.†
*NRV = Nutrient Reference Value. The percentage indicates the proportion of the daily reference intake supplied per stick.
† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
APN FUEL is a food supplement (EU) / dietary supplement (US). Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily dose. Keep out of reach of children.
Athlete statements and performance figures reflect individual experiences and are not a guarantee of results. Individual results vary.
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Further Reading
Walker Cup Champions: Eliot Baker & Ben Bolton, Fueled by APN
Great Britain & Ireland beat the United States 13½–12½ at Lahinch — with APN athletes Eliot Baker and Ben Bolton on the winning side...
Two APN Athletes Named to the 2026 Walker Cup Team
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Jacques Léglise Trophy Champion: Youp Orsel, Fueled by APN
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Marco Penge Joins APN as Investor and Ambassador
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Eugenio Chacarra, European Swing Champion
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Become an APN Athlete
Join the ranks of elite golfers who fuel with purpose. Learn how APN's 3-phase hydration system can transform your game and help you perform at your best on every round...
+1.54 Strokes Gained Per Round Since Using APN
Marco's Strokes Gained before and after APN: from -0.301 to +1.234 per round. Gains that build from the first tee to the final green. The only thing that changed: how he fueled...
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Golf isn't a sprint. It's four hours of focus, 60+ decisions, and mental resilience. Discover how proper hydration and nutrition can help you maintain clarity and composure throughout...
A Day in the Life of a High-Performance Golfer
From pre-round preparation to post-round recovery, see how elite golfers structure their day around optimal performance. Learn the routines and nutrition strategies that separate good from great...
Why Sugary Sports Drinks Sabotage Your Round
Get answers to the most common questions about APN FUEL. From storage and preparation to anti-doping certification and the science behind our three-phase system...
The Brains behind APN
Matthias Althoff
Head of Performance, Team Germany
Years inside the ropes. Hundreds of athletes under pressure. Matthias guided the German National Team to the European Team Championship and set a new standard for how athletes fuel — bringing elite sports science to every APN formula, trusted by national teams across Europe.
