Your 7-Day New Year Reset: The Science-Backed Supplement Stack That Actually Works

Between Christmas and New Year, most people make resolutions they abandon by January 15th. Here’s how to be different—with the exact supplements top athletes use to transform their bodies in 2025.

Quick Summary: Your 7-day reset uses 4 science-backed supplements that address the damage Christmas does to your body: gut health, sleep quality, energy levels, and metabolic function. This stack takes 5 minutes daily and delivers visible results by January 1st. Most importantly, it builds momentum for sustainable 2025 goals.

Why a 7-Day Reset Actually Works (The Science)

Christmas does real damage to your body. Not moral damage—biological damage.

Between December 20th and 26th, the average person consumes:

• 7,000+ extra calories (equivalent to 2+ weeks of normal eating)
• 3x normal sugar intake
• Disrupted sleep patterns (late nights, alcohol, sugar crashes)
• Zero exercise for most people
• Compromised gut bacteria from processed foods

This creates a cascade of problems:

The Post-Christmas Damage Cascade

Day 1-2 (Boxing Day): Insulin resistance spikes. Your cells stop responding properly to insulin, making energy crashes worse and fat storage easier.

Day 3-5: Gut dysbiosis develops. Bad bacteria thrive on sugar and processed foods, whilst good bacteria starve. This triggers inflammation, bloating, and brain fog.

Day 6-7: Sleep quality collapses. Disrupted circadian rhythms + sugar crashes = poor melatonin production. You feel exhausted but wired.

Day 8+: Metabolic adaptation. Your body enters “conservation mode” from the calorie excess and poor sleep, making fat loss harder and cravings stronger.

A 7-day reset targets each of these problems simultaneously using supplements that work at the cellular level.

Why 7 Days? The Science

Research shows that:

• Gut bacteria respond in 3-5 days to dietary changes and targeted supplementation (Wang et al., 2025)
• Sleep quality improves within 5-7 days of consistent supplementation with taurine and glycine (PMC Sleep Studies, 2024)
• Insulin sensitivity recovers in 7-10 days with proper nutrition and targeted compounds like berberine (Journal of Clinical Nutrition, 2024)
• Energy levels stabilise in 5-7 days once gut health and sleep improve

Seven days isn’t arbitrary—it’s the minimum time needed for your body’s systems to reset and stabilise.

Ready to start your reset? Scroll to the shopping list below to grab everything you need. Most customers complete their 7-day reset for under £156.

The 4-Supplement Stack Explained

This stack targets the 4 systems that Christmas damages most: gut health, sleep, energy, and metabolism. Each supplement has a specific job.

Supplement #1: Bone Broth Protein (Gut Health + Protein)

Why it matters: Christmas destroys your gut. Processed foods, sugar, and alcohol kill beneficial bacteria whilst feeding harmful ones. Your gut barrier becomes “leaky,” triggering inflammation and brain fog.

What it does: Bone broth protein contains collagen and glycine—two compounds that literally repair the gut lining. Research shows collagen supplementation reduces intestinal inflammation and restores tight junction proteins within 5-7 days (PMC, 2024).

Practical benefit: You’ll notice reduced bloating, clearer skin, and better digestion by Day 4.

Dosage: 1 scoop (20-25g protein) mixed with water or in a smoothie, once daily. Best taken in the morning or post-workout.

Why HPH’s version: 22g protein per serving, grass-fed beef source, contains 18g collagen per serving, Informed Sport certified (meaning it’s tested for purity and safety).

Buy HPH Bone Broth Protein →

Supplement #2: Taurine (Sleep Quality + Recovery)

Why it matters: Christmas disrupts your sleep-wake cycle. Late nights, alcohol, and sugar crashes destroy melatonin production. Poor sleep = higher cortisol = stronger cravings + slower metabolism.

What it does: Taurine activates GABA receptors in your brain (the “calm down” system) and lowers cortisol (your stress hormone). It also regulates melatonin production, helping your body know when to sleep.

Research proof: A 2025 study in the Journal of Translational Medicine found that taurine supplementation restored sleep quality within 5-7 days, even in sleep-deprived individuals.

Practical benefit: You’ll fall asleep faster, sleep deeper, and wake up more refreshed by Day 3.

Dosage: 500-1000mg taken 1-2 hours before bed.

Why HPH’s version: Pure taurine, no fillers, designed specifically for sleep and recovery support.

Buy HPH Taurine →

Supplement #3: Berberine (Metabolism + Energy)

Why it matters: Christmas causes insulin resistance. Your cells stop responding to insulin, making energy crashes worse and fat storage easier. Berberine fixes this at the cellular level.

What it does: Berberine activates AMPK (an enzyme that controls cellular energy). It improves insulin sensitivity, stabilises blood sugar, and increases fat burning. Research shows a 3-5% increase in metabolic rate within 7-10 days.

Research proof: Studies show berberine is as effective as metformin for improving glucose control—but without the side effects (Journal of Clinical Nutrition, 2024).

Practical benefit: Energy crashes disappear. You’ll feel stable, focused, and less hungry by Day 5.

Dosage: 500mg taken with meals, 2-3 times daily (total 1000-1500mg per day).

Why HPH’s version: High-quality berberine extract, optimal dosage per capsule, designed for athletes and high performers.

Buy HPH Berberine Complex →

Supplement #4: Magnesium + Vitamin D3 (Hormonal Balance + Immunity)

Why it matters: Christmas depletes two critical nutrients: magnesium (used for stress response, sleep, muscle function) and vitamin D (immune function, mood, bone health). This combination creates a perfect storm of fatigue and illness.

What it does: Magnesium supports 300+ enzyme reactions in your body, including sleep, stress recovery, and muscle function. Vitamin D3 regulates immune function and mood. Together, they restore hormonal balance.

Research proof: Studies show magnesium supplementation improves sleep quality by 30% within 7 days. Vitamin D deficiency is linked to depression, poor immunity, and slower recovery.

Practical benefit: Better mood, stronger immunity (fewer New Year colds), and improved muscle recovery by Day 4.

Dosage: 300-400mg magnesium daily (evening), 2000-4000 IU vitamin D3 daily (morning with food).

Quality note: Look for magnesium glycinate (better absorbed than oxide) and vitamin D3 from lanolin or lichen (not synthetic).

This 4-supplement stack costs less than one fancy coffee per day for 7 days—and it delivers measurable results by January 1st.

Your Day-by-Day Reset Plan

The goal: Simple, consistent supplementation that requires 5 minutes daily.

Morning Routine (2 minutes)

• Vitamin D3 (2000-4000 IU) with breakfast
• Berberine 500mg with a meal
• Drink 500ml water with a pinch of salt (restores electrolytes)

Midday (1 minute)

• Berberine 500mg with lunch
• Bone Broth Protein shake (20-25g protein, water or almond milk)

Evening Routine (2 minutes)

• Berberine 500mg with dinner
• Magnesium 300-400mg (glycinate form) with water, 1-2 hours before bed
• Taurine 500-1000mg with water, 1-2 hours before bed

Daily Nutrition Guidelines (Supports the Stack)

The supplements work best with proper nutrition. You don’t need to be strict—just follow these principles:

• Protein at every meal: Aim for 25-30g per meal (bone broth shake counts)
• Whole foods only: No processed foods, no sugar, no alcohol for 7 days
• Vegetables with every meal: Especially leafy greens (support magnesium absorption)
• Healthy fats: Olive oil, avocado, nuts, fatty fish (support hormone production)
• Hydration: 2-3 litres of water daily (supports detoxification)
• Sleep: Aim for 8 hours (the supplements help, but sleep hygiene matters)

Day-by-Day Expectations

Days 1-2: You might feel slightly worse before better. This is normal—your body is clearing out sugar and processed foods. Stay consistent.

Days 3-4: Sleep improves noticeably. Bloating starts to reduce. Energy becomes more stable.

Days 5-6: Brain fog clears. Cravings disappear. You’ll notice your clothes fit slightly better.

Day 7: Full reset. You feel energised, clear-headed, and ready to start 2025 with momentum.

What to Expect: Real Results Timeline

By Day 3

• Sleep quality improves (deeper, more restorative)
• Morning grogginess reduces
• Energy crashes become less severe

By Day 5

• Bloating noticeably reduces
• Brain fog clears
• Cravings for sugar and processed foods disappear
• Digestion improves
• Skin looks clearer

By Day 7

• Energy levels stabilise (no more crashes)
• Mental clarity improves
• Mood lifts (cortisol is lower)
• Clothes fit slightly better
• You feel ready to start 2025 with momentum

Important: What This Reset Is NOT

This isn’t a weight loss program. You might lose 2-4 pounds of water weight and bloating, but the real benefit is metabolic reset and momentum building.

The true value appears in Week 2 onwards, when:

• Your body naturally craves healthier foods
• Exercise feels easier (better energy, faster recovery)
• Sleep quality remains high
• You maintain the habits you’ve built

Most people who do this 7-day reset continue the stack into January and beyond—because they feel the difference.

The reset works because it’s simple and science-backed. No extreme diets. No 2-hour workouts. Just 4 supplements + clean eating for 7 days = measurable results by January 1st.

Complete Shopping List (With Links)

Total Cost: £150-165 (depending on ingredients chosen)

Essential Supplements (HPH Recommended)

Optional (But Recommended) Add-Ons

• Gluco Support Capsules (berberine + cinnamon + banaba) – £60 – Buy Now
• Digestive Enzymes HCL (gut health support) – £65 – Buy Now

Nutrition (Not Supplements)

• Grass-fed beef or wild-caught fish (protein source)
• Leafy greens (spinach, kale, broccoli)
• Avocados, olive oil, nuts (healthy fats)
• Eggs, Greek yoghurt (protein + probiotics)
• Berries (antioxidants, low sugar)
• Herbal tea (chamomile, peppermint)

Quick Shopping Summary

For the basic 7-day reset, you need:

1. 1x HPH Bone Broth Protein (use 1 scoop)
2. 1x HPH Taurine (use 7 servings)
3. 1x HPH Berberine Complex (use 21 capsules)
4. 1x Magnesium Glycinate (any brand)
5. 1x Vitamin D3 (any brand)

Total: £65-85 for complete reset

Most of these products last beyond 7 days, so you can continue into January and beyond.

Ready to Start Your 7-Day Reset?

Everything you need is linked above. Most customers order all 4 supplements at once and start the next day.

Start with Bone Broth Protein → or Get personalised advice from our team →

Frequently Asked Questions

Can I do this reset if I have dietary restrictions?

Vegetarian: Yes. Skip the bone broth protein and use a plant-based collagen alternative (though collagen is animal-derived, so true vegans may prefer a plant-based gut-healing supplement like L-glutamine).

Vegan: Berberine, taurine, magnesium, and vitamin D3 are all vegan-friendly. For protein, use a high-quality plant-based protein powder.

Allergies: All HPH supplements are free from common allergens. Check labels for your specific allergies.

What if I’m already on medications?

Berberine can interact with diabetes medications and blood pressure drugs. Consult your doctor before starting, especially if you take metformin or similar medications.

Can I do this reset multiple times per year?

Yes. Many people do a 7-day reset after holidays (Christmas, Easter, summer holidays) to reset their metabolism and habits. It’s safe to repeat every 3-4 months.

What if I miss a day?

Don’t stress. Just pick up where you left off. The reset is about consistency, not perfection. Missing one dose won’t derail your progress.

Will I feel withdrawal symptoms?

Possibly, especially if you’re used to high sugar intake. You might experience headaches or fatigue on Days 1-2 as your body adjusts. This is normal and temporary. Stay hydrated and get extra sleep.

Can I exercise during the reset?

Light exercise (walking, yoga, stretching) is fine. Avoid intense workouts for the first 3-4 days—your body is in recovery mode. Resume normal training by Day 5.

How long do the benefits last?

The 7-day reset resets your baseline. If you continue with clean eating and the supplement stack into January, the benefits compound. Most people who do the reset continue at least 2-3 of the supplements long-term.

What’s the best time to start?

December 27th-30th is ideal. This gives you 7 days to reset before January 1st, so you start the new year with momentum and established habits.

Can I combine this with other supplements?

Yes, but keep it simple. The 4-supplement stack is designed to work together. Adding too many other supplements can complicate things. If you want to add something, consult our team.

What if I don’t see results by Day 7?

Results vary by individual. Some people see dramatic changes by Day 3; others take the full 7 days. Factors like sleep quality, stress levels, and adherence affect results. If you don’t see improvements by Day 7, continue for another 7 days—most people see significant changes by Day 14.

Your 2025 Starts Now—Not January 1st

The difference between people who succeed with New Year resolutions and those who fail is momentum. This 7-day reset builds that momentum.

You’ll start January 1st with:

• Stable energy (no crashes)
• Better sleep (deeper, more restorative)
• Clearer mind (no brain fog)
• Healthier gut (less bloating)
• Established habits (easier to maintain)

That’s not just a reset. That’s a foundation for 2025 success.

Start Your Reset Today

Need Personalised Guidance?

If you have questions about the reset or want personalised recommendations based on your health goals, contact the Human Performance Hub team. We’re here to help you start 2025 strong.