Stamina Plus - Fitness & Endurance Supplement for Working Dogs
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Stamina Plus is an L-Carnitine supplement formulated to support increased fitness, endurance, and recovery in working and sporting dogs. When a dog's natural L-Carnitine production can't keep up with the demands of high-intensity or prolonged work, Stamina Plus bridges that gap — converting fat reserves into energy and supporting muscle action and growth.
- Supports energy production and endurance during high-demand work
- Helps reduce fatigue and improve recovery time
- Maintains lean muscle mass while utilising fat for energy
- 400mg/ml L-Carnitine + 100mg/ml Magnesium Aspartate Hydrochloride
- Liquid formula — easy to add to feed or administer directly
- Suitable for long-term daily use or targeted pre-work supplementation
The Science Behind Stamina Plus
What is L-Carnitine?
L-Carnitine is an amino acid-like compound produced naturally in the dog's liver and kidneys. It is transported through the bloodstream to muscle cells, where it converts fat reserves into sugars whose metabolism releases energy and stimulates muscle action and growth.
A temporary deficit of L-Carnitine can lead to reduced energy, fatigue, slow recovery time, and an inability to develop stronger muscle power despite exercise and training.
The natural source of L-Carnitine is fresh meat and milk. However, manufactured pet foods frequently contain less than 5% of the L-Carnitine found in fresh meat. With the vast majority of dogs fed on manufactured diets, supplies of L-Carnitine are often insufficient.
Skeletal and heart muscles — which use 95–98% of the body's L-Carnitine supplies — cannot synthesise their own L-Carnitine. This explains why deficiency most commonly occurs in these tissues. The dog is particularly predisposed to L-Carnitine deficiency due to high urinary excretion and very little renal reabsorption.
Because L-Carnitine is essential in converting fatty acids into energy, a deficiency may result in increased fat storage, decreased performance, and potentially an increased risk of heart disease.
Ingredients
Stamina Plus contains 400mg/ml of L-Carnitine and 100mg/ml of Magnesium Aspartate Hydrochloride.
Feeding Guide
Give orally, preferably twice daily. Can be added to feed or administered directly into the dog's mouth. Daily usage is calculated according to bodyweight: 1–2ml per 10kg (22lbs) of bodyweight, twice daily.
Stamina Plus can be fed long-term as part of a daily maintenance regime, or given specifically ahead of an especially demanding day. Note: L-Carnitine takes approximately 3 hours to reach maximum benefit and remains at that level for a further 3 hours before gradually diminishing.
Stamina Plus is a veterinary-formulated L-Carnitine liquid supplement designed to support energy production, endurance, and recovery in working and sporting dogs. When high-demand activity outpaces the dog's natural L-Carnitine production, Stamina Plus bridges the gap — converting fat into energy and supporting lean muscle performance.
Why We Recommend It
Working gundogs burn through energy reserves at a rate that manufactured diets often can't fully support. L-Carnitine is the compound that converts fat into usable energy in muscle cells — and dogs are particularly prone to deficiency due to high urinary excretion. Stamina Plus addresses this directly with a high-concentration liquid formula that's easy to administer and backed by solid science. For dogs working long days in the field, this is a genuinely useful addition to the daily routine.
Key Benefits
- Supports energy production and endurance during high-demand work
- Reduces fatigue and improves recovery time after strenuous activity
- Maintains lean muscle mass while utilising fat reserves for energy
- 400mg/ml L-Carnitine + 100mg/ml Magnesium Aspartate Hydrochloride
- Liquid formula — easy to add to feed or administer directly
- Suitable for long-term daily use or targeted pre-work supplementation
Bailey Says 🐾
I don't fully understand the science. But I do understand that on days when this goes in my food, I go further, faster, and I'm still ready for more when the humans are flagging. That's all I need to know. Highly recommended.
Perfect For
- Working gundogs on driven shoots or field trials
- Dogs showing signs of fatigue or slow recovery after long days
- Spaniels and HPRs covering high ground or dense cover all day
- Handlers wanting to support peak performance during the shooting season
- Dogs on manufactured diets that may be L-Carnitine deficient
Specifications
- Active ingredient: L-Carnitine 400mg/ml
- Supporting ingredient: Magnesium Aspartate Hydrochloride 100mg/ml
- Format: Liquid — oral administration
- Sizes: 125ml (£24.34) and 2x125ml (£42.82)
- Dose: 1–2ml per 10kg bodyweight, twice daily
- Vendor: Ace Canine Healthcare
How To Use
- Calculate the correct dose: 1–2ml per 10kg of your dog's bodyweight
- Administer twice daily — add to feed or give directly into the dog's mouth
- For targeted pre-work use, give at least 3 hours before the activity begins
- Maximum benefit is reached at 3 hours and maintained for a further 3 hours
- Can be used long-term as part of a daily maintenance regime
- Store as directed and shake well before use
Care Guide
- Store in a cool, dry place away from direct sunlight
- Keep out of reach of children
- Shake well before each use
- Use within the recommended period after opening
- Consult your vet before use if your dog has an existing health condition
Professional Insight
Training Academy Tip 💡
Start Stamina Plus at least a week before the shooting season begins, not the night before the first day. L-Carnitine builds up in muscle tissue over time — consistent daily use in the weeks leading up to high-demand work will deliver significantly better results than last-minute supplementation.
ProTrain Principle
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FAQs
How quickly does Stamina Plus work?
L-Carnitine takes approximately 3 hours to reach maximum benefit after administration, and remains at that level for a further 3 hours. For best results before a demanding day, give at least 3 hours in advance.
Can I use this every day?
Yes — Stamina Plus is suitable for long-term daily use as part of a maintenance regime, as well as for targeted use ahead of specific high-demand days.
How do I calculate the correct dose?
Give 1–2ml per 10kg of your dog's bodyweight, twice daily. A 30kg Labrador would receive 3–6ml per dose.
What's the difference between the 125ml and 2x125ml options?
Same product, different quantities. The 2x125ml (250ml total) at £42.82 offers better value for regular daily use or multi-dog households.
Is this suitable for all breeds?
Yes — dose is calculated by bodyweight so it's suitable for all breeds and sizes. Consult your vet if your dog has an existing health condition.
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