Muscle aches and pains are fact of life and can involve more than one muscle. Muscle pain also can involve ligaments, tendons, and fascia, the soft tissues that connect muscles, bones, and organs. Natural Remedies for Muscle Pain may depend on the issue.
What causes muscle pain
Muscle pain is most frequently related to tension, overuse, or muscle injury from exercise or physically-demanding work. More severe causes include issues such as sprains and muscle tears. For severe or incapacitating pain, please see your health care professional.

Here’s what Australian triathlete Sam Betten said about Spectrum Herbal Muscle Joint Balm

Natural Remedies for Muscle Pain
Massage
Massaging the muscle helps stimulate blood circulation which relaxes the muscle and speeds up healing. This is particular useful for stiffness and cramps.
Herbs and Essential oils
Wintergreen; applied to the skin for joints (rheumatism), arthritis, sore muscles, inflammation, nerve pain and lower back pain.
Arnica; applied to the skin for pain and swelling associated with bruises, aches, sprains, and arthritis, muscle and cartilage pain.
Clove Bud when applied to skin, may assist with pain and inflammation.
Tea Tree; traditionally used and are known to help stimulate blood circulation, relieve joint and muscle inflammation and pain.

Turmeric has powerful anti-inflammatory effects and is a very strong antioxidant.

Peppermint Oil contains 2 components, menthol and menthone that provide the heat in heat rubs. . When massaged into muscle,  Peppermint Oil may relieve pain.

Coraki Muscle & Joint Balm contains these herbs and essential oils.