Side Effects 3 min read Updated July 24, 2026 Editorially reviewed

The Best Supplements to Take While on GLP-1 Medications

A ranked list of the best supplements to take on Ozempic, Wegovy, Mounjaro, and Zepbound — based on the side effects they prevent.

The Best Supplements to Take While on GLP-1 Medications

Key takeaways

  • Protein is #1. Nothing else matters as much for the quality of your weight loss.
  • Electrolytes and magnesium fix most of the day-to-day discomfort blamed on the medication.
  • A multivitamin, vitamin D3+K2, and a probiotic round out the top 5.
  • Creatine and omega-3s are worth adding once the basics are consistent.
  • Skip 'GLP-1 boosters', metabolism blends, and anything promising to enhance your prescription.

There are dozens of supplements marketed to GLP-1 users. The honest answer is that five or six of them do most of the work. The rest are nice-to-have or a waste of money.

Here is the ranked, no-fluff list of supplements that earn their place on a GLP-1 — based on the side effects they prevent, the nutrition gaps they actually fill, and the evidence behind them.

The ranked list

  • 1. Protein — the single most impactful supplement on a GLP-1
  • 2. Electrolytes — prevent cramps, fatigue, and dehydration
  • 3. Magnesium glycinate — sleep, regularity, muscle recovery
  • 4. Daily multivitamin — backstop for missed vitamins and minerals
  • 5. Probiotic + fiber — constipation, bloating, gut comfort
  • 6. Vitamin D3 + K2 — mood, immunity, bone health
  • 7. Omega-3 fish oil — inflammation, heart, brain
  • 8. Creatine monohydrate — preserve strength and lean mass
  • 9. B-complex — energy metabolism and nerve health
  • 10. Iron (if ferritin is low) — fatigue and hair shedding

Why this order

Protein sits at #1 because muscle loss is the most durable, hardest-to-reverse consequence of a GLP-1. Electrolytes and magnesium are #2 and #3 because they resolve the day-to-day discomfort — cramps, poor sleep, constipation, fatigue — that make people quit the medication before it works.

Everything past #5 is optimization. If you cannot commit to the top 5 consistently, adding more will not help.

A starter stack (the minimum viable routine)

  • Morning: protein shake or protein-forward breakfast
  • Mid-morning: electrolytes with water
  • Largest meal: multivitamin
  • Evening: magnesium glycinate 300 mg, 30–60 minutes before bed

What you do not need

Skip the expensive 'metabolism boosters', 'GLP-1 boosters', 'natural Ozempic' berberine mega-doses, and any supplement that claims to enhance the effect of your medication. There is no credible evidence they work and some can interact with your prescription. Spend that money on a better protein powder and a real electrolyte instead.

Frequently asked questions

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